National Museum of Nuclear Science & History
Curtis Walseth worked for the United States Engineer District Office.
Conley worked at the 100-B Area at Hanford during the Manhattan Project.
J. C. Rieder worked for the J.A. Jones Construction Company.
John Black 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.
