National Museum of Nuclear Science & History
Francis L. Friedman was a theoretical physicist and group leader at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Graf worked at the 300 Area at Hanford during the Manhattan Project.
Critselous worked Stone and Webster Engineering Corporation.
