During the 10-year period from 1905 to 1915, Einstein developed the general theory of relativity, which is one of the most important ideas in modern physics. Einstein’s theory has held up remarkably well over time. For example, general relativity predicted the existence of gravitational waves, ...
Feynman received his undergraduate degree from MIT and his Ph.D. from Princeton. During those years, he became known for waltzing into the math department at each school and solving problems that the brilliant math Ph.D. students couldn’t solve.