who was einstein
Albert Einstein (/ËaÉªnstaÉªn/; German: [ËalbÉÉÌ¯t ËaÉªnÊtaÉªn]; 14 March 1879 â 18 April 1955) was a German-born theoretical physicist. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy of science.