National Museum of Nuclear Science & History
Clark worked for Stone and Webster Engineering Corporation.
James Serduk was a staff worker at Los Alamos during the Manhattan Project.
William Crum was born on September 4, 1925, in Hancock County, IL. He was the seventh of eight siblings who grew up on a farm in Western Illinois near the Mississippi River.
Hayes worked in the United States Engineer District Office.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
