Albert Einstein
Albert Einstein Albert Einstein Einstein in 1921 Born 14 March 1879 Ulm , Kingdom of Württemberg , German Empire Died 18 April 1955 (aged 76) Princeton, New Jersey , United States Citizenship Subject of the Kingdom of Württemberg during the German Empire (1879–1896) [note 1] Stateless (1896–1901) Citizen of Switzerland (1901–1955) Austrian subject of the Austro-Hungarian Empire (1911–1912) Subject of the Kingdom of Prussia during the German Empire (1914–1918) [note 1] German citizen of the Free State of Prussia ( Weimar Republic , 1918–1933) Citizen of the United States (1940–1955) Education Federal polytechnic school (1896–1900; B.A., 1900) University of Zurich (Ph.D., 1905) Known for General relativity Special relativity Photoelectric effect E=mc 2 (Mass–energy equivalence) E=hf (Planck–Einstein ...