Floyd P. Vannoy

Arthur Z. Lassila

Lassila worked in the 100 B and D Areas at Hanford during the Manhattan Project.

Alfred M. Large

Marvin S. Smith

Marvin Smith worked for Clinton Laboratories at the X-10 Reactor.

Celeste Hand

Celeste Hand was a switchboard operator at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.