Margaret Rossiter is an American historian of science, and Marie Underhill Noll Professor of the History of Science, at Cornell University. She is a founding member of its Department of Science and Technology Studies at Cornell. She served as editor of Isis, the official journal of the History of Science Society, from 1994 to 2003. Rossiter received an A.B. (1966) from Radcliffe College, an M.S. (1967) from the University of Wisconsin-Madison and an M. Phil. (1969) and PhD (1971) from Yale. She is the author of Women Scientists in America: Struggles and Strategies to 1940 (1982) and of Women Scientists in America: Before Affirmative Action, 1940-1972 (1995), Women Scientists in America: Forging a New World Since 1972 (2012).