National Museum of Nuclear Science & History
H. E. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. B. Deason worked in the 300 Area at Hanford during the Manhattan Project.
David S. Brown served in the 1st Ordnance Squadron.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
