National Museum of Nuclear Science & History
B. J. Mears worked for the United States Engineer District Office.
Irwin Phillips worked for the United States Engineer District Office.
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
Laverne Bloom worked as a Military Policeman from 1945-1946 in Hanford, Washington. While not on guard duty, Bloom often cooked for his troop and occasionally made meals for the director of the Manhattan Project, General Leslie Groves.
Seymour Miller worked for the Roane-Anderson Company.