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December 7, 1959

C. L. Marshall, Director, Division of Classification, to A. A. Wells, Director, Division of International Affairs, 'Cooperation in the Field of Gas Centrifuge'

This document was made possible with support from Carnegie Corporation of New York (CCNY)

US Atomic Energy Commission classification director C. L. Marshall explains to international affairs director A. A. Wells that the design for the gas centrifuge must be classified for fear of providing an “unfriendly nation” a low-energy consuming method for “the separation of heavy isotopes…an important part of a [nuclear] weapons program.”


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Document Information

Source

Department of Energy mandatory declassification review release. Obtained and contributed by William Burr and included in NPIHP Research Update #7.

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Original Uploaded Date

2012-09-18

Type

Memorandum

Language

Record ID

115302

Original Classification

Secret

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Carnegie Corporation of New York (CCNY)