National Museum of Nuclear Science & History
M. K. Walker worked for the Fercleve Corporation.
Lawrence Langer served in the Special Engineering Detachment and Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Webb worked at the 300 Area at Hanford during the Manhattan Project.