National Museum of Nuclear Science & History
Nick G. Kotoff served in the 390th Air Service Group.
Coffey worked at the 300 Area at Hanford during the Manhattan Project.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.