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

Perry A. Johnson

X-10 Graphite Reactor

Perry Johnson worked for Clinton Laboratories at the X-10 Reactor.

Charles Shinpock

Y-12 Plant

Charles Shinpock worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C. Calkins

T-Plant/200 Areas

Calkins worked at the 200 West Area at Hanford during the Manhattan Project. 

John R. Ruhoff

Oak Ridge, TN

John Ruhoff worked for the United States Engineer District Office.