William H. Bentz

Ben M. Yokley

William F. Lightfoot

William F. Lightfoot worked on the fuse of the “Fat Man” implosion bomb as manufacturing and test equipment manager for the Raytheon Company.

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

K. H. Leveau

Leveau worked in the 100 F Area at Hanford during the Manhattan Project.