National Museum of Nuclear Science & History
M. A. Obermeyer worked for the J.A. Jones Construction Company.
Gast worked at the 300 Area at Hanford during the Manhattan Project.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Homer Howell worked for Clinton Laboratories at the X-10 Reactor.
