National Museum of Nuclear Science & History
W. G. Butler worked for the J.A. Jones Construction Company.
Calvin G. Siegle served in the 1027th Air Material Squadron.
Glenn Bonjour served in the 1st Ordnance Squadron.
Groom worked at the 300 Area at Hanford during the Manhattan Project.
Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
