Esther Katz was an associate professor of history at New York University, founded and directs the Margaret Sanger Papers Project, and is coeditor of the Speeches and Articles of Margaret Sanger, 1911-1960.Peter C. Engelman is the author of A History of the Birth Control Movement in America. Cathy Moran Hajo is the author of Birth Control on Main Street: Organizing Clinics in the United States, 1916-1939.
