oppenheimer history In the matter of J. Robert Oppenheimer: transcript of hearing before Personnel Security Board and texts of principal documents and letters : U.S. Atomic Energy Commission : Free Download, Borrow, and Streaming : Internet Archive Link to site: In the matter of J. Robert Oppenheimer: transcript of hearing before Personnel Security Board and texts of principal documents and letters : U.S. Atomic Energy Commission : Free Download, Borrow, and Streaming : Internet Archive