Battle of Iwo Jima Date 19 February – 26 March 1945 (1 month and 1 week) Location Iwo Jima, Volcano Islands, Japan Result American victory USAAF fighter aircraft able to escort B-29's on missions to Japan. Americans gain an emergency landing base for damaged aircraft returning from missions on Japan. Belligerents United States Japan Commanders and leaders U.S. Navy: Chester W. Nimitz Raymond A. Spruance Marc A. Mitscher William H. P. Blandy U.S. Marine Corps: Holland M. Smith Harry Schmidt Graves B. Erskine Clifton B. Cates Keller E. Rockey Tadamichi Kuribayashi † Takeichi Nishi † Sadasue Senda † Rinosuke Ichimaru † Units involved American: Ground units: V Amphibious Corps 3rd Marine Division 4th Marine Division 5th Marine Division 147th Infantry Regiment (separate) Aerial units: Seventh Air Force Naval units: 5th Fleet Joint Expeditionary Force (TF 51) Amphibious Support Force (TF 52) Attack Force (TF 53) Expeditionary Troops (TF 56) Fast Carrier Force (T...
Albert Einstein Einstein in 1921, by Ferdinand Schmutzer Born 14 March 1879 Ulm, Kingdom of Württemberg, German Empire Died 18 April 1955 (aged 76) Princeton, New Jersey, U.S. Citizenship Kingdom of Württemberg, part of the German Empire (1879–1896) Stateless (1896–1901) Switzerland (1901–1955) Austria, part of the Austro-Hungarian Empire (1911–1912) Kingdom of Prussia, part of the German Empire (1914–1918) Free State of Prussia (Weimar Republic, 1918–1933) United States (1940–1955) Education Federal polytechnic school in Zurich (Federal teaching diploma, 1900) University of Zurich (PhD, 1905) Known for General relativity Special relativity Photoelectric effect E=mc2 (Mass–energy equivalence) E=hf (Planck–Einstein relation) Theory of Brownian motion Einstein field equations Bose–Einstein statistics Bose–Einstein condensate Gravitational wave Cosmological constant Unified field theory EPR paradox Ensemble interpretation Spouse(s) Mileva Marić (m. 1903; div. 1919) Elsa Löwenthal (m...