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 ...