National Museum of Nuclear Science & History
M. K. Walker worked for the Fercleve Corporation.
Neil R. Corey served as a sergeant in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned first to Luke the Spook and later to Big Stink.
R. C. Orr worked for the Roane-Anderson Company.
Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.