Estelle Cecilia Diggs Dunlap was born on September 26, 1912, and was associated professionally and civically with Washington, D.C. She was known publicly as Estelle Diggs Dunlap and, after marriage, as Mrs. Lee A. Dunlap. Her family remembered her as a wife, mother, friend, mentor, and a person who devoted herself to helping others.
Dunlap pursued advanced education in science and education. She earned a Bachelor of Science degree from the District of Columbia Teachers College, a Master of Science degree from Howard University, and an honors Doctor qualification recorded in connection with World University.
Dunlap built her professional life as a mathematics educator in Washington, D.C. Beginning in 1941, she taught mathematics at Garnet-Patterson Junior High School, continuing in that teaching period through 1956. She later served as head of a mathematics department and, from 1963, worked as a visiting instructor in mathematics at the District of Columbia Teachers College. Her career combined classroom teaching, departmental leadership, and teacher education.
Dunlap participated in a broad range of professional, educational, scientific, civic, cultural, and performing-arts organizations. Her affiliations included the Intercontinental Biographical Association, the American Association for the Advancement of Science, the International Institute Community Service, the American Association of University Women, the United States Olympic Society, the Arena Stage Association, the National Symphony Orchestra Association, the National Trust for Historic Preservation, the National Retired Teachers Association, the Association of National Archives, the Foreign Policy Research Institute, the Smithsonian Associations, the Metropolitan Opera Guild, the United Nations Association, the Washington Opera Society, the Washington Urban League, the Mathematical Association of America, the American Mathematical Society, the American Ordnance Association, the Society for Industrial and Applied Mathematics, the Washington Performing Arts Society, the International Platform Association, the National Council of Teachers of Mathematics, the National Aviation Education Council, the National Education Council, the Northwest Boundary Civic Association of Washington, the Stardusters organization in Waldorf, Maryland, and the United States Senatorial organization. She was recorded as a fellow of the Intercontinental Biographical Association and the American Association for the Advancement of Science, and as recording secretary of the Northwest Boundary Civic Association in the mid-1960s.
Fellow.
Intercontinental Biographical Association; American Association for the Advancement of Science
International Institute Community Service
American Association of University Women
United States Olympic Society
Arena Stage Association
National Symphony Orchestra Association
National Trust for Historic Preservation
National Retired Teachers Association
Association of National Archives
Foreign Policy Research Institute
Smithsonian Associations
Metropolitan Opera Guild
United Nations Association
Washington Opera Society
Washington Urban League
Mathematical Association of America
American Mathematical Society
American Ordnance Association
Society for Industrial and Applied Mathematics
Washington Performing Arts Society
International Platform Association
National Council of Teachers of Mathematics; National Aviation Education Council
National Education Council
Washington, D.C.; recording secretary in or around 1964–1966.
Northwest Boundary Civic Association
1964
Waldorf, Maryland.
Stardusters' Very Important Person
United States Senatorial
Quotes from others about the person
Family and friends remembered Dunlap as a dear wife, mother, friend, and mentor who did much for others.
Dunlap was married to Lee A. Dunlap. Her recorded parents were Mary and John. She was remembered by family and friends as a wife, mother, friend, and mentor.
