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

Michael Cefola

Chicago, IL

Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Howard Bush

Los Alamos, NM

Robert H. Brown

Chicago, IL

Robert H. Brown was a chemical engineer/metallurgist. He was educated at Drexel University and Massachusetts Institute of Technology.

W. W. Zacovie

Research & Development/300 Area

Zacovie worked at the 300 Area at Hanford during the Manhattan Project.