Henry J. Pepe

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.

F. M. Acker

Ambroso Hoelscher

Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Samuel Curran

Sir Samuel Curran (1912-1998) was a British physicist. Curran was born in Ballymena, Ireland. In his early years, Curran studied mathematics and physics at Glasgow University.