National Museum of Nuclear Science & History
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Barnes worked in the United States Engineer District Office.
McKnight worked in the 100 B Area at Hanford during the Manhattan Project.
Jake Seligman was a staff worker at Los Alamos during the Manhattan Project.
Charles F. Begg commanded the 1st Ordnance Squadron.