H. G. O. Winsor

Keith L. Gard

James McIntosh

James McIntosh was a draftsman at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Joseph H. Leopold

Joseph Leopold worked for the Kellex Corporation at the K-25 Plant.

E.B. Ives

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