FBI File on Donald Menzel
209-page FBI file (24.10MB) on astronomer Donald Menzel, released via The Black Vault; contents not yet examined.
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Content
FBI File on Donald Menzel
The FBI held a 209-page file (24.10MB) on Donald Howard Menzel, released through The Black Vault's paranormal FOIA collection [S1]. That is unusual bulk for an academic astronomer, and the file's contents and classification rationale have not yet been examined — a standing open question in the Menzel research.
Sources
[S1] "FBI Files: The Paranormal Collection - The Black Vault" URL: https://www.theblackvault.com/documentarchive/fbi-files-the-paranormal-collection/ Accessed: 2026-07-10 Claim: "Donald Menzel Menzel, Donald – [ 209 Pages, 24.10MB ]".
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