National Museum of Nuclear Science & History
McCall worked in the 100 F Area at Hanford during the Manhattan Project.
Chemist Orville Hill joined the Met Lab at the University of Chicago in May of 1942, three months after it was created.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.
Robert J. Hennes served in the 509th Headquarters and Base Services Squadron.
Ralph E. Telford worked at the Metallurgical Laboratory in Chicago during the Manhattan Project.
