National Museum of Nuclear Science & History
Engel worked in the United States Engineer District Office.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Duane Sewell began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.
Winton Bagley served in the 1395th Military Police Company, Aviation.