National Museum of Nuclear Science & History
J. R. Smith worked for the Roane-Anderson Company.
Leonard Cheshire was born on September 7, 1917 in Chester, England. During World War II, he served in the Royal Air Force.
J. T. Holloway worked for the United States Engineer District Office.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.
Myron Weigle was a Technical Sergeant at Los Alamos during the Manhattan Project.
