National Museum of Nuclear Science & History
Bullock worked in the United States Engineer District Office.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
J. A. Vavro served in the 509th Headquarters.
John J. Norton was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.