National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
E. J. Presser served in the 390th Air Service Group. After the war, Presser was assigned to the Japan Atomic Bomb Damage Survey teams.
G. E. Freeman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Besler worked on the 200 East Area at Hanford during the Manhattan Project.