National Museum of Nuclear Science & History
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
T. M. Keiller worked for the United States Engineer District Office.
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.
Cancienne worked at the 200 East Area at Hanford during the Manhattan Project.
