G. S. Coffman

George R. Carlson

George R. Carlson was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

John J. Hecthberger

E. G. Olsen

E. G. Olsen worked for the United States Engineer District Office.

M. E. Gould

Gould worked at the 300 Area at Hanford during the Manhattan Project.