Percy Fowler

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.

William J. Ayerst

Ayerst worked in the United States Engineer District Office.

William T. St. Clair

William St. Clair worked for the United States Engineer District Office.

B. E. Arthur