National Museum of Nuclear Science & History
W. L. Killibrew worked for the Roane-Anderson Company.
Howard Peters was a truck driver for the Hanford, Washington facilty from July 1943 to December 1946.
John L. Kuranz (1921-1995) was an American engineer, physicist, and inventor. During the Manhattan Project, Kuranz was a member of the Special Engineer Detachment at the University of Chicago Met Lab.
Del Genio worked in the United States Engineer District Office.