National Museum of Nuclear Science & History
Henry Wigen worked for the United States Engineer District Office.
McNeill worked in the 300 Area at Hanford during the Manhattan Project.
L. F. Hemphill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis E. Griffin served in the 320th Troop Carrier Squadron.
Josef Novak worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.