National Museum of Nuclear Science & History
Gagen worked in the United States Engineer District Office.
Cecil Bennett served in the 390th Air Service Group.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.