Government / Military

Marshall Chadwell

1952-08-01what this date marks is not recorded

Marshall Chadwell - the CIA's Assistant Director for Scientific Intelligence (OSI) who, alarmed by the 1952 UFO wave, drove the Agency to convene the 1953 Robertson Panel. The point at which the CIA formally took a hand in the UFO question.

In the UAP recordRuled into the unidentified-phenomena thread on 2 September 2026 from this entity's own name and role text, which contain: "ufo". 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.

2 of 2 connections resolve to a document you can open.

Documents2 behind these connections1 more that names it

Documents behind these connections

Also named in documents we hold

This entity's name appears in the 2 documents below. That is the entire claim. Nothing here is evidence for anything on this map, no connection rests on it, and it says nothing about what the document is about. It is a place to look next.

Report of the Scientific Panel on Unidentified Flying Objects, 17 January 1953, with TAB A, TAB B, covering letter of 12 March 1953 and two handwritten notes

named on a page we have read · p. 4

…. Gen. William M. Garland, Commanding General, ATIC; Dr. H. Marshall Chadwell, Assistant Director, O/SI, CIA; Mr. Ralph L. Clark, Deputy…

Report on the Historical Record of U.S. Government Involvement with Unidentified Anomalous Phenomena (UAP), Volume Ialready cited above

named on a page we have read · p. 17

H. Marshall Chadwell clandestinely sponsored the establishment of a UFO scientif…

2 connections

ColourGovernmentHearings & panels

→ Robertson Panel

the CIA science chief who convened the panel

Report of Meetings of Scientific Advisory Panel on Unidentified Flying Objects, Convened by Office of Scientific Intelligence, CIA, January 14-18, 1953 (the Durant Report)
printed p. 2 · PDF p. 4 checked against the page
→ Central Intelligence Agency

Report on the Historical Record of U.S. Government Involvement with Unidentified Anomalous Phenomena (UAP), Volume I

This map says

the CIA's Assistant Director for Scientific Intelligence who drove the 1953 Robertson Panel

The document says

H. Marshall Chadwell clandestinely sponsored the establishment of a UFO scientific review panel led by California Institute of Technology physicist, H.P. Robertson. ... In December 1952, H. Marshall Chadwell, Assistant Director of OSI, briefed the Director of Central Intelligence (DCI), Walter Bedell Smith, on the subject of UFOs.

Report on the Historical Record of U.S. Government Involvement with Unidentified Anomalous Phenomena (UAP), Volume I, 2024
printed p. 17 · read off the page footer
rendered and read by eye — the grade this project quotes from