#Science
Albert Einstein was born on 14 Mar 1879. In 1905, "he published 4 groundbreaking papers, on the photoelectric effect, Brownian motion, special relativity, and the equivalence of mass and energy". 1/
https://en.wikipedia.org/wiki/Albert_Einstein

One of Einstein's greatest achievements was the Theory of General Relativity, which is a theory of gravitation, developed between 1907 and 1915, according to which, "the observed gravitational attraction between masses results from the warping of space and time by those masses." 2/