Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

James F. Schumar was a metallurgist. In 1940, he became Chief Metallurgist at Wolverine Tube Company. In that capacity, he developed procedures for cladding metallic uranium fuel rods with aluminum and a method to extrude and machine uranium for Hanford’s B Reactor and Chicago Pile-3. In 1946, he was became associate director of the Metallurgy Division at Argonne National Laboratory.

Related Profiles

H. A. McKray

Hanford, WA

L. M. Leach

Y-12 Plant

L. M. Leach worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harold B. Nilling

Chicago, IL

Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Dick Kosh

Los Alamos, NM

Dick Kosh was an American physicist.  He worked at the Los Alamos site during the war, arriving from the University of Wisconsin, Madison, and then stayed afterwards.