National Museum of Nuclear Science & History
B. H. Ronfeld served in the 509th Headquarters.
Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. L. Redfern worked for the J.A. Jones Construction Company.
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.