F. W. George

G. E. Ericson

Eleanor F. Caldwell

Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. Gerritsen

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

Howard R. Kratz

Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.