National Museum of Nuclear Science & History
J. P. Alexander worked for the Kellex Corporation at the K-25 Plant.
Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
