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• 22:58, 13 January 2026 Robert.francis.jr talk contribs created page Menzel, Donald H. (Created page with "<h2>Introduction</h2> <p>Donald H. Menzel was an American astronomer whose public skeptical writings made him one of the most influential anti-UFO voices of the twentieth century. In ufology history, he represents the institutional scientific rebuttal: a confident insistence that UFO reports can be explained by natural phenomena, observational error, and psychological factors. His role is central because it shaped how mainstream science and media treated UFO claims for d...")