National Museum of Nuclear Science & History
Jas Rose worked for the United States Engineer District Office.
Harold Lichtenberger was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. J. Presser served in the 390th Air Service Group. After the war, Presser was assigned to the Japan Atomic Bomb Damage Survey teams.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.