National Museum of Nuclear Science & History
F. R. O'Brien worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cronholm worked at the 100-F Area at Hanford during the Manhattan Project.
John Moriarity was a procurement officer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frederick Bossert served in the 1st Ordnance Squadron.
