National Museum of Nuclear Science & History
B. H. Ronfeld served in the 509th Headquarters.
Attended Pennsylvania State University.
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.
Jules Guéron was a French chemist and atomic scientist, who helped develop atomic energy in France. Guéron was born in Tunis on June 2, 1907.