National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Hanisch worked at the 300 Area at Hanford during the Manhattan Project.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John P. Nagy served in the 1st Ordnance Squadron.
Matthei worked for Stone and Webster Engineering Corporation.