TIL The geometric foundational work for Einstein's general theory of relativity in 1915 was laid by Georg Friedrich Bernhard Riemann some 60 years earlier ( www.aps.org ) https://www.reddit.com/r/todayilearned/comments/1dsfza7/til_the_geometric_foundational_work_for_einsteins/ Author: /u/ubcstaffer123 Link Shared on Reddit Original Reddit Comments