Raymond G. Knapp

Charles J. Spiegl

Charles J. Spiegl was a civilian scientist employed by the Manhattan Project. He was involved in radiation toxicology, studying the effects of radiation on animals at the Trinity Site near Alamogordo, New Mexico.

Robert E. Wagner

Glen Montgomery

Glen Montgomery was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. T. Mann

W. T. Mann worked for the Tennessee Eastman Corporation at the Y-12 Plant.