Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John B. Riddle

Research AssistantChicago, IL

Manhattan Project VeteranProject Worker/StaffScientist
Painting of CP-1.

John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Related Profiles

James R. Langston

Los Alamos, NM

George Hull

K-25 Plant

Hull worked at the K-25 plant at Oak Ridge during the Manhattan Project. He was also a member of the K-25 basketball team.

Robert O. Nohr

Chicago, IL

Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Norris N. Jernigan

Tinian Island

In 1943, seventeen-year-old Norris Jernigan joined the Army Air Corps Cadet program, where he began training to become a pilot.