The Manhattan Project Resources

U.S. Department of Energy logos U.S. Department of Energy Office of Environment, Health, Safety and Security Office of History and Heritage Resources

J. Robert Oppenheimer Personnel Hearings Transcripts

In December 1953, the Atomic Energy Commission (AEC) suspended the security clearance of Dr. J. Robert Oppenheimer, and after a four-week, closed-door hearing in April and May 1954, formally revoked that clearance. In June 1954, the AEC released a redacted version of the hearing transcript, (see AEC press release), with security classified information deleted, published by the Government Printing Office (GPO) under the title, In the Matter of J. Robert Oppenheimer: Transcript of Hearing before Personnel Security Board. Sixty years later, the Department of Energy has re-reviewed the original transcript and is making available to the public, for the first time, the full text of the transcript in its original form. The transcript, produced in 19 volumes, is arranged in such a way that pages from which information was deleted in the published version are easy to locate with the deleted information readily identifiable. Volumes IIa, IIb, VIa, VIIa, IXa and IXb consist of pages from the original transcript that were segregated as "Classified Testimony." Also included is a separate volume showing the location and text that was deleted from the 1954 published version. This volume gives the page number of both the 1954 GPO publication and the original transcript. In addition, the volume points out specifically what information was deleted.

Following is a listing of the volumes of the hearings transcripts with links to PDF copies.

Volume I Volume IXa
Volume II Volume IXb
Volume IIa Volume X
Volume IIb Volume XI
Volume III Volume XII
Volume IV Volume XIII
Volume V Volume XIV
Volume VI Volume XV
Volume VIa Volume XVI
Volume VII Volume XVII
Volume VIIa Volume XVIII
Volume VIII Volume XIX
Volume IX Record of Deletions


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