Mark Felt
E23266
Mark Felt was the former FBI associate director who secretly served as the key Watergate informant known as "Deep Throat," helping expose the Nixon administration's misconduct.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mark Felt canonical | 16 |
| Mark Felt: The Man Who Brought Down the White House | 1 |
| W. Mark Felt | 1 |
| William Mark Felt | 1 |
| William Mark Felt Sr. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T78241 — 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: Mark Felt Context triple: [Watergate scandal, involves, Mark Felt]
-
A.
H. R. Haldeman
H. R. Haldeman was a powerful and influential aide to President Richard Nixon, best known for his central role in the Watergate scandal.
-
B.
Bob Woodward
Bob Woodward is an American investigative journalist and author best known for his reporting on the Watergate scandal for The Washington Post, which helped lead to President Richard Nixon’s resignation.
-
C.
Jeffrey Wigand
Jeffrey Wigand is an American former tobacco executive turned whistleblower who exposed health risks and corporate misconduct in the cigarette industry, most famously depicted in the film "The Insider."
-
D.
J. Edgar Hoover
J. Edgar Hoover was the long-serving and controversial first Director of the FBI, known for shaping modern American law enforcement and for his extensive domestic intelligence operations.
-
E.
Edward Snowden
Edward Snowden is a former National Security Agency contractor who became internationally known in 2013 for leaking classified documents revealing global mass surveillance programs.
- 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: Mark Felt Target entity description: Mark Felt was the former FBI associate director who secretly served as the key Watergate informant known as "Deep Throat," helping expose the Nixon administration's misconduct.
-
A.
H. R. Haldeman
H. R. Haldeman was a powerful and influential aide to President Richard Nixon, best known for his central role in the Watergate scandal.
-
B.
Bob Woodward
Bob Woodward is an American investigative journalist and author best known for his reporting on the Watergate scandal for The Washington Post, which helped lead to President Richard Nixon’s resignation.
-
C.
Jeffrey Wigand
Jeffrey Wigand is an American former tobacco executive turned whistleblower who exposed health risks and corporate misconduct in the cigarette industry, most famously depicted in the film "The Insider."
-
D.
J. Edgar Hoover
J. Edgar Hoover was the long-serving and controversial first Director of the FBI, known for shaping modern American law enforcement and for his extensive domestic intelligence operations.
-
E.
Edward Snowden
Edward Snowden is a former National Security Agency contractor who became internationally known in 2013 for leaking classified documents revealing global mass surveillance programs.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
FBI official
ⓘ
Watergate scandal figure ⓘ human ⓘ whistleblower ⓘ |
| alias | Deep Throat ⓘ |
| authorOf | The FBI Pyramid: From the Inside ⓘ |
| birthDate | 1913-08-17 ⓘ |
| birthPlace |
Twin Falls, Idaho
ⓘ
surface form:
Twin Falls, Idaho, United States
|
| burialPlace | Santa Rosa Memorial Park ⓘ |
| causeOfDeath | heart failure ⓘ |
| chargeOrConviction | unauthorized disclosure of FBI information ⓘ |
| child | Joan Felt ⓘ |
| conflict | World War II ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| deathDate | 2008-12-18 ⓘ |
| deathPlace |
Santa Rosa
ⓘ
surface form:
Santa Rosa, California, United States
|
| educatedAt |
George Washington University
ⓘ
surface form:
George Washington University Law School
University of Idaho ⓘ |
| employer | Federal Bureau of Investigation ⓘ |
| event | Watergate scandal ⓘ |
| familyName | Felt ⓘ |
| fieldOfStudy | law ⓘ |
| fullName |
Mark Felt
self-linksurface differs
ⓘ
surface form:
William Mark Felt Sr.
|
| genreOfWork | memoir ⓘ |
| givenName |
Mark
ⓘ
William ⓘ |
| memberOf |
Federal Bureau of Investigation
ⓘ
surface form:
Federal Bureau of Investigation leadership
|
| militaryBranch | United States Army Air Forces ⓘ |
| notableFor |
being the secret Watergate informant "Deep Throat"
ⓘ
role in exposing misconduct in the Nixon administration ⓘ |
| numberOfChildren | 2 ⓘ |
| occupation |
civil servant
ⓘ
law enforcement officer ⓘ |
| pardonDate | 1981-03-26 ⓘ |
| pardonGrantedBy | Ronald Reagan ⓘ |
| politicalAffiliation |
Republican Party
ⓘ
surface form:
Republican Party (United States)
|
| portrayedBy |
Hal Holbrook
ⓘ
Liam Neeson ⓘ |
| positionHeld | Associate Director of the Federal Bureau of Investigation ⓘ |
| religion | Lutheranism ⓘ |
| spouse | Audrey Robinson Felt ⓘ |
| subjectOf |
film "All the President’s Men"
ⓘ
surface form:
All the President's Men
Mark Felt self-linksurface differs ⓘ
surface form:
Mark Felt: The Man Who Brought Down the White House
|
| workLocation |
J. Edgar Hoover Building
ⓘ
surface form:
FBI Headquarters
Washington, D.C. ⓘ |
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: Mark Felt Description of subject: Mark Felt was the former FBI associate director who secretly served as the key Watergate informant known as "Deep Throat," helping expose the Nixon administration's misconduct.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
William Mark Felt
this entity surface form:
William Mark Felt Sr.
this entity surface form:
Mark Felt: The Man Who Brought Down the White House
subject surface form:
Deep Throat
subject surface form:
Watergate scandal
this entity surface form:
W. Mark Felt
subject surface form:
Deep Throat
subject surface form:
Deep Throat
subject surface form:
Deep Throat