What is the reason for calling Newton a genius?

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SUMMARY

The discussion critically examines the reasons behind Isaac Newton's designation as a genius in the field of science. Key points include the assertion that Newton did not originate the inverse-square law, which was attributed to Robert Hooke, and that his calculus was not utilized in his seminal work "Principia." Additionally, the conversation highlights errors in Newton's calculations and the prior development of concepts such as impetus by Jean Buridan. The conclusion drawn is that much of what is celebrated as "Newtonian science" was built upon earlier ideas and contributions from contemporaries.

PREREQUISITES
  • Understanding of the inverse-square law and its historical context
  • Familiarity with Newton's "Principia" and its significance in physics
  • Knowledge of the development of calculus and its key figures, including Leibniz
  • Awareness of the historical contributions of scientists like Robert Hooke and Jean Buridan
NEXT STEPS
  • Research the historical context of the inverse-square law and its implications in physics
  • Study the differences between Newtonian and Leibnizian calculus
  • Examine the contributions of Jean Buridan to the concept of impetus
  • Explore the evolution of scientific thought regarding the separation of celestial and terrestrial mechanics
USEFUL FOR

This discussion is beneficial for historians of science, physics students, and anyone interested in the critical evaluation of scientific contributions and the legacy of Isaac Newton.

dodecahedron
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Hi all, I have a question concerning the history of science.

You can hear everywhere that Newton is - together with Einstein - one of the greatest scientific geniuses, one of the greatest physicists, etc. pp. But what exactly is the reason for calling him a genius?

After having read a lot on Newton, I now think that
1. The inverse-square law was found by others before Newton, and he himself learned it from Hooke (1679 letter). So you can't credit him for this idea.
2. His calculus was rather useless, because he didn't use it in the "Principia" and published it after Leibniz, whose notation became much more influential. It is unknown if and to what extent Newton used his Calculus to work out his theory, but the former assumption that he first wrote his work in "fluxional form" is said to have been "laid to rest by D.T. Whiteside" (I haven't read what Whiteside says about it, though).
3. There seem to be many errors and miscalculations in the Principia, for example concering the use of hydrodynamics in shipbuilding.
4. The idea of impetus was developed before Newton, for example by Jean Buridan.
5. Without the inverse-square law of gravitation, there isn't much original or ingenious about the Principia. I don't see any idea that could be called as original as Einstein's idea of time dilation.
6. He couldn't solve the three-body-problem.
7. The famous equation F = ma was invented by Euler and cannot be found anywhere in Newton's work.
8. Much of what is called "Newtonian science" was achieved on the continent during the 18th and 19th centuries.Sure, the Principia involves many calculations which were surely very difficult to do. But who says somebody else in his time couldn't have done it? The argument that no one did it before seems weak to me because it first took the idea of inverse-square gravity, which is Hooke's idea and not Newton's. So he now seems to me rather as a sort of "mathematical labourer" instead of being a great scientific genius.

I would like to hear what you think about it, and if I am wrong at any of these observations.

Thank you very much,
dodecahedron
 
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1. True.

2. He did co-discover it, though.

3. True, but a necessary consequence of not having a well-developed system of algebra at the time.

4. True.

5. He was actually one of the first to think of the heavens and the Earth as following the same laws, which was rather radical at the time. Not as original as Einstein, but perhaps as crazy in their days' standards.

6. I don't think anyone can.

7. Correct.

8. Correct.

So, basically, what I'm saying here is he had the courage to speak against the belief that the heavens and the Earth were fully separate realms.
 
dodecahedron said:
Hi all, I have a question concerning the history of science.

You can hear everywhere that Newton is - together with Einstein - one of the greatest scientific geniuses, one of the greatest physicists, etc. pp. But what exactly is the reason for calling him a genius?
Because he was.

Your list is one piece of baloney atop another.

Thread closed.
 

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