National Museum of Nuclear Science & History
Beltzner worked at the 100-D Area at Hanford during the Manhattan Project.
Winford D. “Doug” Crossland was a design engineer at the K-25 Plant at Oak Ridge, TN during the Manhattan Project and a member of the Special Engineer Detachment.
Roy Bonsib was a research associte at the Metallurgical Laboratory in Chicago during the Manhattan Project.
