National Museum of Nuclear Science & History
V. E. Helgesen worked for the William A. Pope Company.
Paul R. Pettit served in the 390th Air Service Group.
Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. C. Dunlop worked at the 100-B Area at Hanford during the Manhattan Project.
