National Museum of Nuclear Science & History
C. F. Roderick worked for the Kellex Corporation at the K-25 Plant.
Duffer Crawford worked for the civilian contractor Kellex Coroporation in New York under the supervision of Judson Swearingen.
Juan de Jesus Trujillo was a staff worker at Los Alamos during the Manhattan Project.
P. A. Dahlen worked at the 100-D Area at Hanford during the Manhattan Project.