National Museum of Nuclear Science & History
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
James S. Cole is an American engineer. He served as an airplane engineer during World War II, and began working at the K-25 plant at Oak Ridge, TN in 1945, shortly after the end of the war.
Clarence Schalia was a staff worker at Los Alamos during the Manhattan Project.
