John D. Martin

George Mallinckrodt

George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).

T. P. Hickey

Dorothy Lipps

Dorothy Lipps was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. R. Studhalter

W. R. Studhalter worked for the United States Engineer District Office.