O. R. Volk

R. A. Brown

R. A. Brown worked for the Roane-Anderson Company.

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.

W.B. Jewett

Arthur H. Compton

Arthur Compton (1892-1962) was an American physicist and winner of the Nobel Prize in Physics. A top administrator and advisor during the Manhattan Project, Compton played a key role in the making of the atomic bomb.