National Museum of Nuclear Science & History
H. R. Koonce worked for the J.A. Jones Construction Company.
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.
R. S. Stone worked for Clinton Laboratories at the X-10 Reactor.