National Museum of Nuclear Science & History
S. D. McGee worked for the Edenfield Electric Company.
Shea worked for Stone and Webster Engineering Corporation.
Guenther worked in the United States Engineer District Office.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
