M. L. Thayer

John R. Raper

John Raper worked for Clinton Laboratories at the X-10 Reactor.

Henry P. Nieber

J. A. Slice

J. A. Slice worked for the Union Carbide & Carbon Corporation.

Dennis Dwyer

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