Theodore Stephen Hamerow (August 24, 1920 – February 16, 2013) was a Polish-born American historian, focusing on modern history, especially German history of the 19th and 20th century.
[1][2] Born to Jewish parents in Warsaw, Hamerow moved via France to the United States with his family in 1930.
[3] He earned his bachelor's degree from City College of New York in 1942, followed by a master's from Columbia University in 1947.
In 1951, he earned his doctorate under supervision of Hajo Holborn at Yale University.
[3][4] Hamerow was a professor of German history at the University of Illinois at Urbana–Champaign from 1952 to 1958, before joining faculty at the University of Wisconsin–Madison, where he taught until 1991.