National Museum of Nuclear Science & History
J. B. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Howard C. Bush was the base camp commander for Trinity Site.
