Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John Shacter was born in Austria and immigrated to the United States after Hitler came to power in Germany. After receiving a chemical engineering degree from University of Pennsylvania in 1943, he was hired by Union Carbide to work on the Manhattan Project at Columbia University. He then transferred to the K-25 Plant in Oak Ridge, where he was involved in overhauling the plant and greatly reducing the cost of uranium, advancements that helped make the modern nuclear industry possible.

John Shacter’s Timeline
1938 Arrived in the United States from Austria.

1943 Hired to work on the Manhattan Project.

1944 Moved from Oak Ridge to Columbia to continue working on the Manhattan Project.

Related Profiles

A. L. Cronholm

B Reactor/100 Area

Cronholm worked at the 100-F Area at Hanford during the Manhattan Project. 

James Marshall

Washington, DC

Colonel James Marshall (1897-1977) was district engineer of the Manhattan Engineer District. Marshall earned a position in the Army Corps of Engineers during his years at West Point.

J. C. Doucha

Oak Ridge, TN

J. C. Doucha worked for the J.A. Jones Construction Company.

Harley C. Gabrielson

Los Alamos, NM