John R. Raper

M. G. Herring

Henry Mouk

Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.

Duane Sewell

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.

Joseph H. King

Joseph King worked for the United States Engineer District Office.