National Museum of Nuclear Science & History
Harry Markee worked for the United States Engineer District Office.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James Murray was a security officer at Los Alamos during the Manhattan Project. He led a plainclothes operation under the pseudonym Paul Sheridan, and suspected J.
Maurice J. Clark served as a sergeant in the 393rd Bombardment Squadron. He was the assistant engineer regularly assigned to the Laggin’ Dragon.
