National Museum of Nuclear Science & History
See worked for Stone and Webster Engineering Corporation.
Ray Williams was a member of the 1st Ordnance Squadron in the 509th Composite Group in Wendover, Utah and on Tinian Island in the Pacific in 1945.
Wheadon worked at the 300 Area at Hanford during the Manhattan Project.
Norman Harry Nachtrieb was an American chemist who worked on the Manhattan Project at the University of Chicago and Los Alamos.