National Museum of Nuclear Science & History
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
Buettner worked in the United States Engineer District.
E. J. Presser served in the 390th Air Service Group. After the war, Presser was assigned to the Japan Atomic Bomb Damage Survey teams.
