National Museum of Nuclear Science & History
D. F. Webster worked for Clinton Laboratories at the X-10 Reactor.
Dr. Muriel Cuykendall was a physician at Los Alamos during the Manhattan Project. She was married to engineering physicist Trevor Cuykendall, who also worked on the project at Los Alamos.
Piper worked for Stone and Webster Engineering Corporation.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.