; September 20, 1899 – October 18, 1973) was a German-American political philosopher and classicist who specialized in classical political philosophy.
After a short stint as Research Fellow in the Department of History at Columbia University, Strauss secured a position at The New School, where, between 19, he worked the political science faculty and also took on adjunct jobs. citizen in 1944, and in 1949 he became a professor of political science at the University of Chicago, holding the Robert Maynard Hutchins Distinguished Service Professorship until he left in 1969.
Strauss himself noted that he came from a "conservative, even orthodox Jewish home," but one which knew little about Judaism except strict adherence to ceremonial laws.
His father and uncle operated a farm supply and livestock business that they inherited from their father, Meyer (1835–1919), a leading member of the local Jewish community.
In 1939, he served for a short term as a visiting professor at Hamilton College. In 1951, Strauss apparently coined the phrase "reductio ad Hitlerum", when he used it in an article he wrote.
In 1954 he met Löwith and Gadamer in Heidelberg and delivered a public speech on Socrates.