Harry M. Betzig

Miles Maynard

C. H. Greenwalt

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

Ruth Volcker

Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Daniel J. Keefe

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.