J. F. Caldwell

Margaret Broderick

Margaret (“Chickie”) Broderick was a chemist at MIT during the Manhattan Project. Broderick was born Margaret McHugh in Boston, Massachusetts in 1921.

R. A. Francis

Francis worked in the United States Engineer District Office.

Edward L. Whalin

Melvin Bengston

Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.