S. G. Thompson

N. F. Hanke

N. F. Hanke worked for Clinton Laboratories at the X-10 Reactor.

S.H. Quist

Quist worked at the 100-D area at Hanford during the Manhattan Project.

D. A. Dorward

Leo P. Hassen

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