National Museum of Nuclear Science & History
Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. M. Daws worked for the Edenfield Electric Company.
L. D. Percival King was an American physicist. After receiving his Ph.D. in Physics from the University of Chicago, King became an instructor in the Physics Department at Purdue University.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
