National Museum of Nuclear Science & History
Charles Swenson worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
O. W. Manz, Jr. worked for the Union Carbide & Carbon Corporation.
H. L. Holsopple worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.