James P. Bryan

Ralph L. Rogers

Ralph Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Benjamin R. Hayward

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.

M. B. Dieson

M. B. Dieson worked at the 300 Area at Hanford during the Manhattan Project.