National Museum of Nuclear Science & History
F. I. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gunnar Thornton was a nuclear physicist and engineer that served in the Special Engineer Detachment (SED) at Los Alamos and on Project Alberta in Tinian.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chastain worked in the United States Engineering District Office.
