National Museum of Nuclear Science & History
Mathis worked for Stone and Webster Engineering Corporation.
Phyllis O. Levy worked as a mathematician and “computer” at Oak Ridge during the Manhattan Project.
Jack Morgan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
