National Museum of Nuclear Science & History
A. D. Lawrence worked for the Roane-Anderson Company.
Pettengill served in the 393rd Bombardment Squadron.
Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John V. McDivitt served in the 390th Air Service Group.
W. H. Herbert worked for the Tennessee Eastman Corporation at the Y-12 Plant.
