National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. B. Jones worked for the J.A. Jones Construction Company.
L. E. Burhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Stoner worked for Stone and Webster Engineering Corporation.