National Museum of Nuclear Science & History
R. R. Wischmeyer worked for the Midwest Piping and Supply Company.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
James J. Johnson served in the 603rd Air Engineering Squadron.
Neil Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.