Orin R. Barrett

Edwin R. Russell

Edwin Roberts Russell (1913-1996) was an African American chemist who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory.

Charles R. O’Neil

Charles O’Neil was a staff worker at Los Alamos during the Manhattan Project.

Richard Shepard

Richard Shepard joined the Manhattan Project at Oak Ridge, working in the K-25 Plant as a member of the Special Engineer Detachment.

P. T. Barnum