Richard H. Harrison

R.J. Stephenson

R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Harold L. Pell

Samuel Goudsmit

Samuel Goudsmit (1902-1978) was a Dutch-American physicist. In May 1944, Goudsmit became scientific director of the Manhattan Project’s Alsos Mission, a top-secret operation responsible for gathering intelligence on Germany’s atomic program.

Elmer L. Hilton