William J. Cant

Gordon C. Chappell

T. F. Mangold

Mangold worked in the 200 West Area at Hanford during the Manhattan Project.

Jose R. Valdez

Jose R. Valdez was a staff worker at Los Alamos during the Manhattan Project.

Melvin A. Miller

Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.