National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Beyer worked in the United States Engineer District Office.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.
