Dec. 25, 1642-Birthday of physicist/mathematician Isaac Newton, invented calculus, discovered the three laws of motion, the law of gravity.
March 14, 1879-Birthday of physicist Albert Einstein, who developed the theory of relativity.
March 20 1916: Albert Einstein's Theory of General Relativity was published as an academic paper in Annalen der Physik.
Feb 19, 1473-Birthday of astronomer Nicolas Copernicus, proposed the theory that the Earth and the other planets revolve around the Sun.
Dec. 25 1642-Birthday of Isaac Newton, who invented calculus, and who discovered the three laws of motion and the law of gravity.