National Museum of Nuclear Science & History
E. S. Hoyle worked for the J.A. Jones Construction Company.
Herrin worked at the 200 East Area at Hanford during the Manhattan Project.
Leonard Quartararo was a staff worker at Los Alamos 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.