National Museum of Nuclear Science & History
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
Wisner worked for Stone and Webster Engineering Corporation.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
Sidney J. Bellamy served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the Necessary Evil as a radar observer, but flew in the Big Stink in the mission to Nagasaki.