National Museum of Nuclear Science & History
Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
F. J. Ward worked for the J.A. Jones Construction Company.
S. B. Spracklen worked for the Union Carbide & Carbon Corporation.
Colonel James Marshall (1897-1977) was district engineer of the Manhattan Engineer District. Marshall earned a position in the Army Corps of Engineers during his years at West Point.