Atomic Heritage Foundation

November 1, 1941

November 1, 1941

John Dunning and Eugene Booth at Manhattan, NY demonstrate the first measurable U-235 enrichment through gaseous diffusion.

Date Range:

1941CE Nov 1st

Era:

1941 to 1942: Getting Organized

Hear the stories of the Manhattan Project

Browse our collection of oral histories with workers, families, service members, and more about their experiences in the Manhattan Project.

Tour the Sites of the Manhattan Project

Tour some of the key locations of the Manhattan Project with an audio guide.

Read recent news & articles

Albert Einstein receiving his his certificate of U.S. citizenship in 1940 from Judge Philip Forman. Photo courtesy Al Aumuller/Library of Congress.

Scientist Refugees and the Manhattan Project

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