Howard T. Parr

T. A. Smith

Smith worked at the 200 West Area at Hanford during the Manhattan Project. 

John F. Harbin

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

Ivan R. Smith

Ruth M. Rottman

Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.