Division of Geography at the University of the District of Columbia. In addition to teaching and serving as chair, she also taught at Howard University during the 1940s. She retired in 1955. See also Timeline of women in science References External links 1895 births 1991 deaths 20th-century African-American scientists 20th-century American geologists 20th-century American women scientists African-American women scientists American women geologists Catholic University of America alumni Columbia Graduate School of Arts and Sciences alumni Howard University alumni University of the District of Columbia alumni Scientists from Washington, D.C. 20th-century African-American women