National Museum of Nuclear Science & History
E. P. Marguerat worked for the Union Carbide & Carbon Corporation.
J. Field served in the 390th Air Service Group.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.