National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
Brooks worked at Los Alamos during the Manhattan Project.
Herman S. Zahn, Jr. served as a captain in the 393rd Bombardment Squadron. He was the commander regularly assigned first to Luke the Spook and later to Big Stink.