Irving Langmuir

Nobel Prize-winning GE physicist and chemist; consulted by Project Sign investigators in April 1948. Concluded available data was insufficient for positive identification and was "reluctant to consider the so-called flying discs as a reality" - an early, credentialed skeptical voice inside the government's own investigation.

In the UAP recordRuled into the unidentified-phenomena thread on 2 September 2026 from this entity's own name and role text, which contain: "project sign". An editorial classification of what thread this entity belongs to; it rests on no page and does not claim to. Neighbours were not used - see apply-subjects-2026-09-02.mjs for why.

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