National Museum of Nuclear Science & History
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Vito Di Rienzo worked in bomb assembly for the 1st Ordinance Squadron, 509th Composite Group. Di Rienzo was drafted into the military in 1943 at the age of 20.
McCullough worked in the 100 D Area at Hanford during the Manhattan Project.
Marvin O. Beatty served as a staff sergeant in the 393rd Bombardment Squadron.