Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Evelyne Litz worked in health physics and as a librarian during the Manhattan Project at Los Alamos and the Chicago Met Lab. She was the second person, after her husband Lawrence Litz, to see metallic plutonium. 

Related Profiles

C. H. Hemmel, Jr.

Tinian Island

C. H. Hemmel, Jr. served in the 390th Air Service Group. 

Robert M. Ripple

K-25 Plant

Attended Rose Polytechnic Institute.

John P. McBride

Chicago, IL

John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.

Richard Tolman

Washington, DC

Richard Tolman (1881-1948) was an American physicist and chemist. Starting in 1940, Tolman served as Vice-Chairman of the National Defense Research Committee (NDRC) and was also the Chairman of the Armor and Ordnance Division of the NDRC.