National Museum of Nuclear Science & History
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.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
J. C. Nelson worked for the Roane-Anderson Company.
H. W. Allstrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
