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William Steinman

Also known as William S. Steinman

Person

UFO researcher and co-author of UFO Crash at Aztec (1986) who obtained Robert Sarbacher's 1983 letter and identified Eric Walker as a crash-retrieval insider.

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William Steinman

William Steinman was a UFO researcher best known for UFO Crash at Aztec (1986), a book about the Aztec crash story. In 1983 he found Robert Sarbacher and received Sarbacher's letter of 29 November 1983 (Crash Retrieval and UAP acknowledgement), which names von Neumann, Bush and possibly Oppenheimer as involved [S1]. Steinman concluded from Sarbacher's "clues" that Eric Walker was the man Sarbacher could not name. In 1987 he telephoned Walker and says Walker confirmed attending the meetings (Steinman Telephones Eric Walker) [S2].

Sources

[S1] "Sarbacher letter to Steinman, 29 Nov 1983" URL: https://santitafarella.wordpress.com/2009/08/21/two-interesting-ufo-documents-the-smith-memo-1950-and-physicist-robert-sarbachers-1983-letter Accessed: 2026-09-18 Claim: letter text and recipient

[S2] "An MJ-12 Informant" (Crain/Cameron) URL: http://www.daves-world.co.uk/ufo/text/pages076-100/page86.html Accessed: 2026-09-18 Claim: Steinman's identification of Walker and 1987 call

Sources

  1. Sarbacher letter to Steinman, 29 Nov 1983 — https://santitafarella.wordpress.com/2009/08/21/two-interesting-ufo-documents-the-smith-memo-1950-and-physicist-robert-sarbachers-1983-letteropen
  2. An MJ-12 Informant (Crain/Cameron) — http://www.daves-world.co.uk/ufo/text/pages076-100/page86.htmlopen

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