Margaret D. Foster

Margaret D. Foster
Foster in 1919
Born	Margaret Dorothy Foster (1895-03-04)March 4, 1895 Chicago, Illinois, US
Died	November 5, 1970(1970-11-05) (aged 75) Silver Spring, Maryland, US
Alma mater	Illinois College George Washington University (MS) American University (PhD)
Known for	First female chemist to work on the United States Geological Survey, Manhattan Project Chemistry and Physics Section
Scientific career
Institutions	United States Geological Survey Manhattan Project

Margaret Dorothy Foster (March 4, 1895 – November 5, 1970) was an American chemist. She worked for the United States Geological Survey, and was recruited to work on the Manhattan Project. She wrote dozens of research papers on the chemistry of the natural world and assaying methods.