William R. Cain

Kenneth Greisen

Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.

William S. Ginell

William Ginell is a physical chemist who worked at Columbia University and Oak Ridge during the Manhattan Project.

Francis M. Steiner

T. L. Lindgren

Lindgren worked in the 300 Area at Hanford during the Manhattan Project.