National Museum of Nuclear Science & History
Huson worked for Stone and Webster Engineering Corporation.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
W. A. Gracey worked for the Roane-Anderson Company.
Gray worked at the 300 Area at Hanford during the Manhattan Project.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
