Walter Krieger

M. M. Marshall

M. M. Marshall worked for the Roane-Anderson Company.

L. A. Darling

L. A. Darling worked at the 100-B Area at Hanford during the Manhattan Project.

George Sutherland

Waldo F. Christy

Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.