National Museum of Nuclear Science & History
J. D. Mitchell worked for the Roane-Anderson Company.
Robert Follit was a member of the Special Engineering Detachment assigned to the 509th Composite Group on Tinian Island in the Pacfic.
McCabe worked for Stone and Webster Engineering Corporation.
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.
V. E. Barton worked for the Roane-Anderson Company.