Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

P. J. Crowder

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

Related Profiles

Ralph Lapp

Chicago, IL

Ralph Lapp was an American physicist. He was born in Buffalo, New York in 1917. He was completing his PhD at the University of Chicago when he stumbled upon Enrico Fermi’s team working under Stagg’s Field in December of 1942, and was hired on the spot to work on the development of the atomic bomb.

Violet Jones

Oak Ridge, TN

Violet Jones worked for the United States Engineer District Office.

Arnold Schempp

Los Alamos, NM

Norris W. Embrey

Chicago, IL

Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.