National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Franklin MacGregor served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
F. J. McCanna worked for the United States Engineer District Office.
Isadore Perlman was an American chemist. Perlman was born on April 12, 1915 in Milwaukee. He received a B.