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Guide to the Karl P. Cohen papers
M1798  
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Collection Overview
 
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Description
Dr. Karl Paley Cohen was a physicist and advisor involving nuclear energy and reactor development who began his career making scientific advances in uranium production with the Manhattan Project at Columbia University in the 1940s. Working under Harold Urey, Cohen developed the now universal method of centrifugal isotope separation for enriching uranium. While the collection includes many declassified lab notebooks and journals from this time, it largely covers Cohen’s long period of service with General Electric as well as various consultancies, and includes reports, correspondence, notes, and other material related to nuclear electric power generation and its safety, economic viability, public policy and other concerns.
Background
Karl Paley Cohen (1913-2012) was born in New York City. He studied chemistry at Columbia University from 1929 to 1936, followed by post-doctoral work in Paris (where he met his wife, Marthe-Hermance Cohen). Beginning in 1937 Cohen was research assistant to professor Harold Urey, who had earned the 1934 Nobel Prize in Chemistry for his work on isotopes. As the war escalated, Urey was named director of the Manhattan Project at Columbia, and Cohen was hired as head of the project’s Theoretical Division, with the responsibility for determining processes for U-235 (uranium) isotope separation. Subsequently, Cohen was deeply involved with perfecting the gaseous diffusion and centrifuge techniques for enrichment, and uranium sources and production would be a major focus of his career.
Extent
30 Linear feet (61 boxes: 59 manuscript boxes ; 1 record storage box ; 1 flat box)
Restrictions
All requests to reproduce, publish, quote from, or otherwise use collection materials must be submitted in writing to the Head of Special Collections and University Archives, Stanford University Libraries, Stanford, California 94305-6064. Consent is given on behalf of Special Collections as the owner of the physical items and is not intended to include or imply permission from the copyright owner. Such permission must be obtained from the copyright owner, heir(s) or assigns. See: http://library.stanford.edu/depts/spc/pubserv/permissions.html.
Availability
The materials are open for research use. Audio-visual materials are not available in original format, and must be reformatted to a digital use copy.