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Dava Sobel on Her Book “Longitude”: Charting the Course of Discovery


In the vast expanse of the world’s oceans, where time and space seem to merge, lies a fundamental challenge that has confounded mankind for centuries — determining longitude. It is this enigmatic pursuit that has captivated the imagination of renowned science writer Dava Sobel. Today, we have the privilege of engaging in an insightful conversation with Sobel, whose seminal work Longitude has shed light on the remarkable story behind one of humankind’s greatest navigational achievements.

Within the pages of Longitude, Sobel skillfully unravels the tale of an unsung hero, John Harrison, an eighteenth-century clockmaker who dedicated his life to solving the elusive problem of measuring longitude accurately at sea. With meticulous research and an innate ability to transport readers to the heart of historical drama, Sobel effortlessly intertwines scientific discovery and human ingenuity, revealing the immense impact of Harrison’s revolutionary timekeeping invention.

Sobel’s fascination with Harrison’s quest stems from her unwavering curiosity about the intersection of science, history, and the human spirit. As she guides us through the labyrinthine challenges faced by explorers, astronomers, and inventors seeking to conquer the seas, we are immersed in a captivating narrative that illuminates the profound consequences of accurate longitude measurement on trade, navigation, and global exploration.

By unearthing the trials and triumphs of John Harrison, Sobel instills within us a newfound appreciation for the relentless pursuit of knowledge and the indomitable nature of the human spirit. With vivid prose and meticulous attention to detail, she invites us to question the established norms and recognize that true breakthroughs often arise from unconventional thinkers and persistent dreamers.

As we embark on this interview with Dava Sobel, we are eager to delve deeper into the genesis of her research, the challenges she encountered while uncovering the remarkable story of John Harrison, and the lasting impact that Longitude has had on our understanding of the world. Through her remarkable storytelling, Sobel continues to inspire us to embrace curiosity, challenge preconceived notions, and navigate the unknown with unwavering determination.

Who is Dava Sobel?

Dava Sobel, a former New York Times science reporter, is an American writer and science historian. She is known for her popular science books that explore the history of astronomy and the lives of notable scientists. One of her most famous works is “Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time,” published in 1995. This book tells the story of John Harrison, an English clockmaker who developed a method for determining longitude at sea.

Sobel’s writing style combines scientific accuracy with storytelling to make complex scientific concepts accessible to a wide audience. Her other notable works include “Galileo’s Daughter: A Historical Memoir of Science, Faith, and Love” (1999) and “The Planets” (2005). Overall, Dava Sobel has made significant contributions to popularizing the history of science through her engaging and informative books.

Here is Dava Sobel’s official bio.

20 In-Depth Questions with Dava Sobel

1. Could you share ten thought-provoking Longitude quotes that capture the essence of the fascinating history of navigation and the quest for determining longitude?

1. “Longitude was the greatest scientific problem of the age.”

2. “The ocean was a chaos of waves, currents, and tides without landmarks, while overhead, the heavens offered no fixed reference points.”

3. “Timekeeping is the key to navigation and determining longitude.”

4. “For the first time in history, seafaring became a science.”

5. “The problem of longitude was solved by a lone genius using nothing more than mechanical ingenuity, persistence, and sheer desperation.”

6. “John Harrison’s clocks proved that something as seemingly unattainable as measuring time at sea could be achieved with enough determination and precision.”

7. “Harrison succumbed to neither the scientific establishment nor the financial pressures that threatened his work, staying true to his vision.”

8. “Harrison’s timepieces heralded a new era of accurate navigation, transforming the maritime world and shaping the course of history.”

9. “Longitude became one of the greatest technological triumphs of the 18th century, revolutionizing trade, exploration, and naval warfare.”

10. “The quest for longitude was a testament to the indomitable human spirit, pushing boundaries and unlocking the secrets of the natural world.”

These quotes encapsulate the significance of the pursuit of longitude and its impact on navigation, science, and human progress. They highlight the challenges faced, the brilliance of John Harrison’s innovations, and the lasting legacy of accurate timekeeping at sea.

2. What inspired you to write “Longitude”? Why did you choose this particular topic as the focus of your book?

The inspiration behind writing “Longitude” stemmed from my fascination with the history of navigation and the profound impact it has had on human civilization. I was drawn to the incredible challenges faced by sailors who ventured into the vast, unpredictable oceans without a reliable means of determining their longitude. The recognition that accurate timekeeping was the key to solving this problem sparked my curiosity and led me to delve deeper into the topic.

I chose to focus on the quest for determining longitude because it represented a pivotal moment in the history of science and technology. It showcased the intersection of human ingenuity, scientific inquiry, and practical problem-solving. I wanted to highlight the remarkable achievements of individuals like John Harrison, who dedicated their lives to overcoming seemingly insurmountable obstacles.

By telling the story of longitude, I aimed to bring this captivating historical episode to a wider audience, capturing the excitement and adventure inherent in the pursuit of knowledge. Additionally, I wanted to shed light on the often overlooked contributions of those who significantly impacted maritime exploration, trade, and ultimately, the shaping of our modern world.

3. The story of John Harrison and his invention of the marine chronometer is central to “Longitude.” Can you discuss the significance of his achievement and its impact on maritime navigation?

John Harrison’s invention of the marine chronometer is of immense significance in the realm of maritime navigation. His achievement revolutionized the accuracy of timekeeping at sea, providing a reliable method for sailors to determine their longitude with unprecedented precision. By creating a mechanical timepiece that could withstand the harsh conditions of the ocean, Harrison effectively solved one of the greatest scientific and practical challenges of his time.

The marine chronometer allowed sailors to calculate their position accurately by comparing local time to the reference time kept aboard ship. This breakthrough had far-reaching consequences, transforming navigation from a perilous guessing game into a systematic and dependable process. It enabled safer voyages, more efficient trade routes, and expanded opportunities for exploration.

Harrison’s invention not only elevated the practice of navigation but also had broader implications for science and technology. It showcased the power of human ingenuity and exemplified the possibilities of innovation in the face of complex problems. Harrison’s chronometers marked a turning point in maritime history, forever changing our understanding of time, space, and our ability to navigate the world’s oceans.

4. In your research for “Longitude,” what were some of the most surprising or groundbreaking discoveries you made about the historical efforts to solve the problem of determining longitude accurately?

During my research for “Longitude,” I made several surprising and groundbreaking discoveries about the historical efforts to determine longitude accurately. One revelation was the extent of the problem’s impact on maritime navigation. I learned that countless lives were lost, ships wrecked, and trade routes disrupted due to the lack of a reliable method for determining longitude. The magnitude of this challenge further emphasized the significance of finding a solution.

Another remarkable discovery was the role played by astronomers such as Galileo Galilei and Sir Isaac Newton, who worked on developing celestial methods for determining longitude. While these solutions ultimately proved challenging to implement practically, they demonstrated the ingenuity of early thinkers grappling with the problem.

I also found it intriguing to learn about the resistance faced by individuals like John Harrison from the scientific establishment, which often favored astronomical solutions over mechanical innovations. This resistance highlighted the tensions between tradition and progress, and the perseverance required to challenge established dogmas.

Overall, my research unveiled the immense determination, creativity, and collaboration displayed by those engaged in solving the problem of longitude. It showcased the human quest for knowledge, the boundless capacity for invention, and the transformative power of innovation on our understanding of the world.

5. The rivalry between John Harrison and the scientific establishment of his time is a recurring theme in “Longitude.” How do you think this competition influenced the progress and acceptance of Harrison’s innovations?

The rivalry between John Harrison and the scientific establishment had a significant influence on the progress and acceptance of his innovations in “Longitude.” The scientific community, particularly the Royal Observatory, initially favored astronomical solutions for determining longitude and was skeptical of mechanical timepieces like Harrison’s marine chronometer.

This competition spurred Harrison’s determination to prove the accuracy and reliability of his invention. His relentless pursuit of precision and his unwavering belief in the value of his chronometers were fueled by the resistance he faced from prominent astronomers and scholars. This rivalry pushed Harrison to continuously refine his designs and demonstrate their superiority through rigorous testing.

While the scientific establishment remained skeptical, Harrison found support and recognition from key individuals who recognized the immense potential of his work. Their advocacy helped combat the entrenched skepticism and facilitated the eventual acceptance of his innovations.

In the end, Harrison’s triumph over adversity and his ability to produce timepieces of exceptional accuracy ultimately won the respect and admiration of many within the scientific community. His success challenged traditional notions and paved the way for widespread acceptance of mechanical solutions for determining longitude.


6. “Longitude” highlights the crucial role played by the British Parliament and the Board of Longitude in addressing the issue of longitude measurement. Can you elaborate on their involvement and the actions they took to encourage solutions?

In “Longitude,” I emphasize the crucial role played by the British Parliament and the Board of Longitude in addressing the issue of longitude measurement. The British government recognized the significance of accurate navigation for trade, colonial expansion, and national security, and sought a solution to the problem.

To encourage solutions, the British Parliament established the Board of Longitude in 1714, offering substantial monetary rewards to anyone who could devise an effective method for determining longitude at sea. This incentivized inventors, scientists, and thinkers to actively engage with the problem.

The Board of Longitude, composed of eminent scientists, naval officers, and government officials, evaluated various proposals and inventions put forth by contenders. They rigorously tested and assessed potential solutions, providing vital feedback and financial aid to promising candidates.

Moreover, the Board’s involvement extended beyond financial incentivization. They organized trials, conducted experiments, and ensured the dissemination of knowledge and collaboration between different stakeholders. Their collective efforts created an environment of innovation and encouraged the pursuit of practical solutions to the problem of longitude.

7. Timekeeping and astronomy were both instrumental in solving the longitude problem. How did these two disciplines intersect, and how did advancements in each contribute to the eventual solution?

“Longitude” explores the intersection of timekeeping and astronomy in solving the longitude problem. Timekeeping was crucial because accurate determination of local time was necessary for calculating longitude. Without precise timekeeping, celestial methods of determining longitude would be ineffective.

Advancements in timekeeping technology, such as John Harrison’s marine chronometer, revolutionized navigation by providing a reliable means of measuring time accurately at sea. These mechanical timepieces allowed sailors to compare local time to a reference time kept aboard the ship, enabling them to calculate their longitude with unprecedented precision.

Astronomy played a complementary role by providing a method to determine local time based on celestial observations, particularly using the positions of the Moon and stars. Astronomical tables and techniques were utilized to establish the connection between observed celestial phenomena and local time, which could then be compared to reference time.

The progress in both timekeeping and astronomical understanding contributed to the eventual solution of the longitude problem. The accuracy and portability of timekeeping devices improved, while advancements in astronomical knowledge and calculations enhanced the reliability of celestial observations. Together, these advancements enabled mariners to navigate with confidence, significantly reducing risks associated with inaccurate navigation and changing the course of maritime history.

8. During your research, did you come across any other notable individuals or inventions related to the determination of longitude that didn’t receive as much recognition as John Harrison? If so, could you share some examples?

During my research for “Longitude,” I did come across other notable individuals and inventions related to the determination of longitude that didn’t receive as much recognition as John Harrison. One such example is Tobias Mayer, a German astronomer who developed lunar distance tables that greatly improved the accuracy of determining longitude using celestial observations. Mayer’s work was instrumental in advancing the field of lunar distance measurements.

Additionally, Pierre Le Roy, a French clockmaker, made significant contributions with his invention of the chronometer detent escapement. This innovation enhanced the stability and precision of timekeeping devices, making them even more reliable for determining longitude accurately at sea.

While these individuals and their innovations played important roles in the quest for determining longitude, they often lived in the shadow of John Harrison’s immense success and the subsequent recognition he received. However, it is important to acknowledge their contributions, as their work added valuable pieces to the puzzle of solving the longitude problem.

9. The struggle to find an accurate method for determining longitude spanned several centuries. How did societal attitudes towards science and innovation evolve during this period, and how did it impact the pursuit of a solution?

The struggle to find an accurate method for determining longitude spanned several centuries, witnessing shifts in societal attitudes towards science and innovation. Initially, there was skepticism and resistance from established authorities, particularly those favoring traditional astronomical methods. The scientific community held strong influence, and new ideas faced scrutiny and skepticism.

However, the growing need for reliable navigation due to increased maritime trade, exploration, and military endeavors gradually changed societal attitudes. As the practical implications of determining longitude accurately became evident, there was a greater emphasis on results and practical solutions rather than adherence to traditional theories.

The establishment of the Board of Longitude by the British Parliament reflected this changing perspective. By offering financial incentives and fostering collaboration, the government actively supported innovation and practical research. This shift in attitude encouraged scientists, inventors, and thinkers to pursue novel approaches and contributed to the eventual acceptance of mechanical solutions, like John Harrison’s marine chronometer.

Over time, there was a shift towards valuing empirical evidence, practicality, and tangible results, which opened doors for new ideas and breakthroughs in the pursuit of solving the longitude problem.

10. “Longitude” not only presents the historical events but also dives into the personal stories of those involved. How did you approach balancing the technical aspects of the topic with the human experiences of the key figures?

Balancing the technical aspects of the topic with the human experiences of the key figures was a crucial aspect of writing “Longitude.” To achieve this balance, I approached the storytelling by intertwining the personal stories of individuals like John Harrison with the broader historical context.

I delved into the motivations, struggles, and triumphs of the key figures involved in the quest for determining longitude. By exploring their personal lives, desires, and obstacles, I aimed to humanize the historical narrative and make it relatable to readers.

At the same time, I ensured that the technical aspects of navigation and timekeeping were presented in a clear and accessible manner. I provided explanations and descriptions of the scientific concepts and inventions involved, but always within the larger framework of the individuals’ journeys.

Ultimately, my goal was to engage readers on both intellectual and emotional levels, allowing them to understand the significance of the technical advancements while connecting with the human experiences of those who shaped history. By striking this balance, I aimed to create a comprehensive and compelling account of the fascinating story of longitude.

11. John Harrison’s marine chronometers revolutionized navigation and had a profound impact on society. In your opinion, what other long-term effects did his invention have beyond its immediate application?

In my opinion, the impact of John Harrison’s marine chronometers extends far beyond their immediate application in navigation. His invention revolutionized not only the maritime industry but also had profound effects on broader aspects of society.

Firstly, the accuracy and reliability of Harrison’s chronometers transformed global trade and exploration. With the ability to determine longitude accurately, seafaring became less risky and more efficient. This led to increased trade routes, enhanced economic growth, and expanded colonial expansion.

Secondly, Harrison’s breakthrough in timekeeping technology had a lasting influence on scientific endeavors. The precision and stability of his chronometers opened up new opportunities for scientific observation and measurement. Researchers in various fields, such as astronomy and geodesy, benefited from the availability of reliable timekeeping instruments, enabling more accurate data collection and analysis.

Furthermore, Harrison’s work and the subsequent advancements in timekeeping sparked further innovation in horology and chronometry. His inventions laid the foundation for continued developments in timekeeping devices, leading to advancements in fields such as astronomy, physics, and telecommunications.

Overall, the long-term effects of Harrison’s chronometers extended beyond navigation and permeated into various facets of society, shaping scientific progress, technological advancements, and global connectivity.

12. “Longitude” provides a captivating account of the collaboration between scientists, inventors, and sailors. Can you discuss the significance of interdisciplinary cooperation in solving complex scientific problems?

The interdisciplinary cooperation showcased in “Longitude” was vital in solving complex scientific problems. The collaboration between scientists, inventors, and sailors played a significant role in pushing boundaries and achieving breakthroughs.

In the pursuit of determining longitude, interdisciplinary cooperation ensured that different perspectives and expertise were brought together. Scientists provided theoretical knowledge, inventors like John Harrison offered practical solutions, and sailors provided invaluable input based on their experiences at sea. This collaborative approach fostered innovation and allowed for a comprehensive understanding of the problem.

The significance of interdisciplinary cooperation lies in the exchange of ideas, cross-pollination of knowledge, and the ability to view challenges from multiple angles. By breaking down disciplinary silos, individuals with different backgrounds were able to work together towards a common goal, complementing each other’s strengths and compensating for weaknesses.

Solving complex scientific problems often requires a combination of skills, insights, and approaches. The collaboration between disciplines encourages creativity, problem-solving, and the ability to tackle multifaceted challenges. Through interdisciplinary cooperation, scientists and inventors can leverage their collective expertise and pool resources, leading to groundbreaking advancements that might not have been possible through isolated efforts.

13. The development of accurate timekeeping instruments and methods played a pivotal role in determining longitude. How did this advancement in timekeeping technology influence other scientific fields during that era?

The development of accurate timekeeping instruments and methods had a profound influence on various scientific fields during that era. The advancements in timekeeping technology impacted not only navigation but also astronomy, physics, and geodesy.

In astronomy, precise time measurement facilitated more accurate observation and calculation of celestial events. Astronomers could better determine the positions of stars, planets, and other celestial objects, leading to improved understanding of the universe and advancements in celestial mechanics.

In physics, the reliable timekeeping provided by chronometers contributed to experiments involving time-dependent phenomena. Researchers could measure and analyze periodic events with increased precision, aiding the study of oscillations, vibrations, and other time-related properties.

Geodesy, the science of measuring and mapping the Earth’s surface, also benefited from advances in timekeeping. Accurate time measurement allowed for more precise determination of longitude and latitude coordinates, leading to improved cartography, geodetic surveys, and geographical knowledge.

The advancement in timekeeping technology influenced these scientific fields by providing a fundamental tool for measurement and observation. The ability to track time accurately enabled scientists to refine their theories, conduct rigorous experiments, and expand our understanding of the natural world.


14. As an author, what challenges did you face when translating complex scientific concepts into accessible language for a general audience in “Longitude”?

Translating complex scientific concepts into accessible language for a general audience posed a significant challenge during the writing of “Longitude.” My aim was to present the technical aspects of longitude measurement in a way that would engage and educate readers without overwhelming them with jargon or excessive technical detail.

To address this challenge, I focused on breaking down complex ideas into simpler terms, using analogies and relatable examples to illustrate key concepts. I strived to strike a balance between clarity and accuracy, ensuring that the scientific principles were accurately conveyed while maintaining readability.

Additionally, incorporating storytelling techniques was essential in making the subject matter more approachable. By weaving the personal stories of the key figures involved, I could humanize the narrative and create emotional connections for readers, enhancing their understanding and engagement with the scientific content.

Overall, the challenge lay in finding ways to demystify complex scientific concepts without oversimplifying them, allowing readers from diverse backgrounds to grasp the fundamental ideas behind longitude measurement.

15. “Longitude” highlights the power of persistence and determination in the face of adversity. How do you think John Harrison’s unwavering belief in his inventions can inspire individuals today?

John Harrison’s unwavering belief in his inventions serves as a powerful inspiration for individuals today. His persistence and determination in the face of adversity demonstrate the importance of staying true to one’s convictions, even when faced with skepticism and obstacles.

Harrison’s story reminds us that groundbreaking innovations often require immense dedication, patience, and resilience. Despite facing resistance from the scientific establishment and enduring years of setbacks, he remained steadfast in his pursuit of precise timekeeping at sea.

His example encourages individuals to embrace their passions and believe in their own abilities, even when others doubt them. It shows that perseverance and a strong sense of purpose can lead to remarkable achievements, revolutionizing entire industries and changing the course of history.

Harrison’s story demonstrates the power of relentless pursuit of excellence and the impact that one person’s unwavering belief can have on society. It inspires individuals today to not succumb to discouragement but instead to forge ahead, challenging conventions, and striving to make a lasting difference.

16. Throughout your research for “Longitude,” which aspect or discovery related to longitude measurement fascinated you the most, and why?

Throughout my research for “Longitude,” the aspect that fascinated me the most was John Harrison’s innovative approach of using a mechanical timepiece, specifically his marine chronometers, to solve the longitude problem. The idea of utilizing a portable, precise clock to determine location at sea was revolutionary.

Harrison’s invention was a remarkable feat of engineering and ingenuity. It required a deep understanding of horology, technology, and precision mechanics. His ability to create a timekeeping device that could withstand the harsh conditions of the sea and maintain accuracy over long periods astounded me.

The marine chronometer not only provided a practical solution to the longitude problem but also opened up new possibilities for accurate timekeeping in general. Its impact extended beyond navigation, becoming a foundational tool in various scientific fields.

Furthermore, I was fascinated by the rigorous testing and trials that Harrison underwent to prove the reliability and accuracy of his chronometers. His dedication to precision and the meticulous craftsmanship involved in creating these timepieces captivated my imagination, and it reinforced the importance of thorough experimentation and validation in scientific advancements.

Overall, Harrison’s innovative use of mechanical timepieces as a solution to the longitude problem fascinated me due to its groundbreaking nature and the immense impact it had on navigation and timekeeping.

17. How has writing “Longitude” influenced your perspective on the significance of historical advancements in science and technology and their impact on society?

Writing “Longitude” has reinforced my perspective on the profound significance of historical advancements in science and technology and their impact on society. It revealed how pivotal breakthroughs, such as John Harrison’s marine chronometers, can shape the course of history.

The book highlighted the interconnectedness between scientific progress and societal development. The ability to accurately determine longitude had far-reaching consequences for navigation, trade, exploration, and global connectivity. It showcased how advancements in technology can revolutionize industries, fuel economic growth, and reshape geopolitical landscapes.

Moreover, writing “Longitude” emphasized the importance of recognizing the individuals behind these advancements. Historical figures like John Harrison and his contemporaries played instrumental roles in driving innovation forward. Their perseverance, ingenuity, and unwavering belief in their inventions demonstrate the power of human agency in shaping scientific progress and its impact on society.

Overall, “Longitude” deepened my appreciation for the historical advancements in science and technology, highlighting their transformative influence on various aspects of human civilization.

18. In addition to John Harrison’s story, are there any other lesser-known historical figures or events related to the quest for determining longitude that you believe deserve more recognition?

Alongside John Harrison’s story, there are indeed other lesser-known historical figures and events related to the quest for determining longitude that deserve more recognition. One such figure is Nevil Maskelyne, the fifth Astronomer Royal of England. Maskelyne made significant contributions to the field of lunar distance measurements, developing improved methods and tables crucial for accurate determination of longitude using celestial observations.

Another figure worth mentioning is Thomas Mudge, a talented watchmaker who built precision timepieces that further enhanced the accuracy of measuring longitude. Mudge’s work laid the foundation for subsequent advancements in chronometer design.

In terms of events, the establishment of the Board of Longitude by the British Parliament stands out as a pivotal moment. The board’s efforts to incentivize innovations through prize competitions and grants reflect the recognition of the importance of solving the longitude problem and the commitment to fostering scientific progress.

These lesser-known figures and events played essential roles in the quest for determining longitude, contributing to the overall advancement of navigation and timekeeping.

19. As the author of “Longitude,” what message or lesson would you like readers to take away from the book?

As the author of “Longitude,” my primary message and lesson for readers is the power of human ingenuity, persistence, and determination in overcoming daunting challenges. John Harrison’s story exemplifies how an individual’s unwavering belief in their inventions, coupled with relentless dedication, can lead to groundbreaking achievements with lasting impact.

I want readers to take away the importance of valuing practical innovation alongside theoretical knowledge. The collaboration between disciplines, as evidenced by scientists, inventors, and sailors in the pursuit of solving the longitude problem, underlines the significance of interdisciplinary cooperation in tackling complex scientific problems.

Furthermore, I hope readers are inspired to appreciate the historical advancements in science and technology and recognize their profound influence on society. These advancements not only shape industries and economies but also have broader societal implications, fostering connectivity, exploration, and the expansion of human knowledge.

Ultimately, “Longitude” aims to ignite curiosity, celebrate human achievement, and remind readers of the transformative potential that resides within individuals who dare to challenge conventions and push the boundaries of what is possible.

20. Lastly, could you recommend other books or resources for readers who want to delve deeper into the fascinating history of navigation and scientific discoveries?

Certainly! If readers want to delve deeper into the fascinating history of scientific discoveries, I have a few recommendations for books and resources that provide in-depth exploration and valuable insights:

The Structure of Scientific Revolutions” by Thomas S. Kuhn: This influential book explores the history of scientific revolutions and paradigm shifts. It delves into the process of scientific discovery and the challenges faced when new ideas challenge established theories, providing a fascinating perspective on the evolution of scientific knowledge.

Sapiens: A Brief History of Humankind” by Yuval Noah Harari: While not specifically focused on scientific discoveries, this book offers a fascinating overview of the history of humanity. It explores the major milestones and transformations that shaped our species, including advancements in science and technology.

The Immortal Life of Henrietta Lacks” by Rebecca Skloot: While not specifically about scientific discoveries, this book tells the remarkable story of Henrietta Lacks, whose cells were taken without her knowledge and became one of the most important tools in medicine. It sheds light on the ethical implications of scientific advancements and their impact on individuals and society.

These recommended resources offer different perspectives on the history of scientific discoveries, from exploring the nature of scientific progress to delving into specific periods and individuals. They provide both a broader context and a more detailed understanding of the remarkable achievements that have shaped our understanding of the world.

1 thought on “Dava Sobel on Her Book “Longitude”: Charting the Course of Discovery”

  1. Pingback: A Journey through Time: Interviewing Charles C. Mann on the Legacy of 1493 - Bookfoods

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