R. E. Smith

Celeste Hand

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

Gladney R. Williams

H. R. Johnson

Johnson worked at the 100-B Area at Hanford during the Manhattan Project. 

Harvey Matthioson

Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.