In the context of quantum computing of the 2020's, a "classical computer" is a computer that is not "quantum", i.e., the then dominating CMOS computers.
- www.youtube.com/watch?v=NtnsHtYYKf0 "Mercury and Relativity - Periodic Table of Videos" by a
Gravity and electricity by Hermann Weyl (1918) by 
Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01Published on the session reports of the Royal Prussian Academy of Sciences at Berlin 1918 page 464.
Is about Maxwell's equations in curved spacetime, and notably introduces gauge theory.
Viewable for free at: archive.org/details/mobot31753002089727/page/464/mode/2up.
These people are heroes. There's nothing else to say.
Mostly data driven.
My brother, Richard: How he came to be so smart interview with Joan Feynman by Web of Stories (2019)
Source. Ah, shame to see Joan so old. Some good stories. The tiles game thing was not mentioned in Genius: Richard Feynman and Modern Physics by James Gleick (1994) I think. There are unlisted articles, also show them or only show them.