Erwin Marquit is a professor emeritus of physics at the University of Minnesota. He studied dialectical materialism and philosophy of the natural sciences. He is a longtime member of the Communist Party USA (joined in 1946), active on both the local (Organizational Secretary, Minnesota/Dakotas District) and national levels (International Department and Economics Commission). He was also a founder of the Midwest-based 501(c)(3) Marxist Educational Press (MEP—1976-2011) and editor of the 20 volumes of the Marxist Studies quarterly journal Nature, Society (NST--1986-2007). The website contains selected articles and his memoir.