National Museum of Nuclear Science & History
Henry Martin worked for the J.A. Jones Construction Company.
Robert Scott was an American chemist. He completed his undergraduate education at the University of Miami-Ohio.
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.
Halbrook worked in the United States Engineer District Office.
