John W. Willis

W.B. Shank

W.B. Shank was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H.P. Schultz

Samuel P. Massie Jr.

Samuel Proctor Massie Jr. (1919-2005) was an African American chemist who worked on the Manhattan Project.

William S. Hartnett

Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.