Stephen Greer
E1002165
Stephen Greer is an American ufologist and former physician best known for founding the Disclosure Project, which advocates for government transparency regarding UFOs and extraterrestrial life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stephen Greer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12533641 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stephen Greer Context triple: [Greer, hasNotableBearer, Stephen Greer]
-
A.
Kevin Greer
Kevin Greer is a person notable enough to be recognized as a prominent bearer of the surname Greer.
-
B.
Steve Greer
Steve Greer is a former American football defensive back who played in the National Football League during the 1970s.
-
C.
Stephen P. Maran
Stephen P. Maran is an American astronomer and science communicator known for his work with NASA and for authoring popular astronomy books such as "Astronomy for Dummies."
-
D.
Philip J. Klass
Philip J. Klass was an American journalist and prominent UFO skeptic known for his influential investigations and debunking of UFO claims.
-
E.
David R. Scott
David R. Scott is an American astronaut, Air Force officer, and test pilot best known for commanding the Apollo 15 mission and becoming the seventh person to walk on the Moon.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stephen Greer Target entity description: Stephen Greer is an American ufologist and former physician best known for founding the Disclosure Project, which advocates for government transparency regarding UFOs and extraterrestrial life.
-
A.
Kevin Greer
Kevin Greer is a person notable enough to be recognized as a prominent bearer of the surname Greer.
-
B.
Steve Greer
Steve Greer is a former American football defensive back who played in the National Football League during the 1970s.
-
C.
Stephen P. Maran
Stephen P. Maran is an American astronomer and science communicator known for his work with NASA and for authoring popular astronomy books such as "Astronomy for Dummies."
-
D.
Philip J. Klass
Philip J. Klass was an American journalist and prominent UFO skeptic known for his influential investigations and debunking of UFO claims.
-
E.
David R. Scott
David R. Scott is an American astronaut, Air Force officer, and test pilot best known for commanding the Apollo 15 mission and becoming the seventh person to walk on the Moon.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
conspiracy theorist
ⓘ
former physician ⓘ person ⓘ ufologist ⓘ |
| birthDate | 1955-06-28 ⓘ |
| birthPlace |
Charlotte, North Carolina, United States
ⓘ
linked to:
Charlotte, North Carolina
|
| countryOfCitizenship | United States of America ⓘ |
| describedCE5As | human-initiated contact with extraterrestrial intelligence ⓘ |
| developed | CE-5 protocols ⓘ |
| educatedAt |
Appalachian State University
ⓘ
East Tennessee State University James H. Quillen College of Medicine ⓘ |
| familyName | Greer ⓘ |
| fieldOfWork |
UFO disclosure activism
ⓘ
extraterrestrial life ⓘ ufology ⓘ |
| founded |
Center for the Study of Extraterrestrial Intelligence
ⓘ
linked to:
Center for UFO Studies
Disclosure Project ⓘ Orion Project ⓘ Sirius Disclosure ⓘ |
| givenName | Stephen ⓘ |
| hasAcademicDegree | Doctor of Medicine ⓘ |
| hasClaim |
claims personal contact with extraterrestrial intelligences
ⓘ
claims that governments conceal evidence of extraterrestrial visitation ⓘ claims to have briefed high-level government and military officials on UFOs ⓘ |
| languageSpoken | English ⓘ |
| medicalSpecialty | emergency medicine ⓘ |
| movement | UFO disclosure movement ⓘ |
| name | Stephen Greer ⓘ |
| notableFor |
advocacy of government transparency on UFOs
ⓘ
claims about extraterrestrial contact ⓘ founding the Disclosure Project ⓘ |
| notableWork |
book "Disclosure: Military and Government Witnesses Reveal the Greatest Secrets in Modern History"
ⓘ
book "Extraterrestrial Contact: The Evidence and Implications" ⓘ book "Hidden Truth – Forbidden Knowledge" ⓘ book "Unacknowledged: An Exposé of the World’s Greatest Secret" ⓘ documentary film "Close Encounters of the Fifth Kind" ⓘ documentary film "Sirius" ⓘ documentary film "Unacknowledged" ⓘ |
| occupation |
author
ⓘ
physician ⓘ public speaker ⓘ ufologist ⓘ |
| positionHeld | director of emergency medicine at Caldwell Memorial Hospital ⓘ |
| residence |
Virginia, United States
ⓘ
linked to:
Virginia
|
| subjectOf | controversy regarding credibility of UFO and ET claims ⓘ |
| viewedAs | controversial figure in ufology ⓘ |
| workedAs | emergency room physician ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Stephen Greer Description of subject: Stephen Greer is an American ufologist and former physician best known for founding the Disclosure Project, which advocates for government transparency regarding UFOs and extraterrestrial life.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.