National Museum of Nuclear Science & History
H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. P. Marus worked for the J.A. Jones Construction Company.
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.
