National Museum of Nuclear Science & History
William Bunnell served at Los Alamos after the war from 1946 to 1948. He was a security guard and a member of the Military Police located at Los Alamos.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
D. R. Johnson worked for the Roane-Anderson Company.
John Ruhoff worked for the United States Engineer District Office.