E. W. Groll

Rozel E. Curtis

Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Peter Watkins

Peter Watkins was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

H. Phillipsborn

H. Phillipsborn worked for the United States Engineer District Office.

D.T. Sheffield