B. F. Butler

Bruce Garner

Garner worked for Stone and Webster Engineering Corporation.

H. R. Johnson

Johnson worked at the 100-B Area at Hanford during the Manhattan Project. 

Paul W. Guth

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.