National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
Irma Van Gilde worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Graham worked at the 300 Area at Hanford during the Manhattan Project.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
