National Museum of Nuclear Science & History
K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Jack Howard Smith was an American physicist. Smith was a Ph.D. student under Hans Bethe at Cornell University when Bethe was tapped by J.