National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
J. A. Copeland worked for the Poe Piping & Heating Company.
T. O. Dean worked at the 200 East Area at Hanford during the Manhattan Project.
Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.
