Do not reproduce without permission. [ NEW EVIDENCE: Website updated 2023 ] New Evidence Document #1: Excerpt from Haakon Chevalier's unpublished memoir, "The Bomb." New Evidence Document #2: Excerpts from Barbara Chevalier's unpublished journal, "Robert Oppenheimer and Haakon Chevalier: From the Memoirs of Barbara Chevalier" New Evidence Document #3: Excerpts from Gordon Griffiths' unpublished memoir, "Venturing Outside the Ivory Tower: The Political Autobiography of a College Professor" New Evidence Document #4: Author's Note: Is belonging to a "closed unit" in the CP tantamount to Communist Party membership
New Evidence Document #4: