Stephen Tyng Mather
E439978
Stephen Tyng Mather was the first director of the U.S. National Park Service and a key conservationist who helped expand and popularize the American national parks system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Stephen Tyng Mather canonical | 4 |
| Stephen Mather | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4439756 — 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 Tyng Mather Context triple: [Mather Gorge, namedAfter, Stephen Tyng Mather]
-
A.
Gifford Pinchot
Gifford Pinchot was an American forester and politician who pioneered the conservation movement and became the first Chief of the U.S. Forest Service.
-
B.
Frederick C. Fairbanks
Frederick C. Fairbanks was the son of U.S. Vice President Charles W. Fairbanks and a member of the prominent Fairbanks political family.
-
C.
Francis Pharcellus Church
Francis Pharcellus Church was an American editor and publisher best known for writing the famous 1897 editorial "Yes, Virginia, there is a Santa Claus" for The New York Sun.
-
D.
William Charles Rogers
William Charles Rogers was a 19th-century Cherokee leader and politician who served as the last principal chief of the Cherokee Nation under the treaty government before Oklahoma statehood.
-
E.
Frederick T. Gates
Frederick T. Gates was an American Baptist minister and influential philanthropic advisor to John D. Rockefeller who helped shape and direct major charitable initiatives in education, public health, and scientific research.
- 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 Tyng Mather Target entity description: Stephen Tyng Mather was the first director of the U.S. National Park Service and a key conservationist who helped expand and popularize the American national parks system.
-
A.
Gifford Pinchot
Gifford Pinchot was an American forester and politician who pioneered the conservation movement and became the first Chief of the U.S. Forest Service.
-
B.
Frederick C. Fairbanks
Frederick C. Fairbanks was the son of U.S. Vice President Charles W. Fairbanks and a member of the prominent Fairbanks political family.
-
C.
Francis Pharcellus Church
Francis Pharcellus Church was an American editor and publisher best known for writing the famous 1897 editorial "Yes, Virginia, there is a Santa Claus" for The New York Sun.
-
D.
William Charles Rogers
William Charles Rogers was a 19th-century Cherokee leader and politician who served as the last principal chief of the Cherokee Nation under the treaty government before Oklahoma statehood.
-
E.
Frederick T. Gates
Frederick T. Gates was an American Baptist minister and influential philanthropic advisor to John D. Rockefeller who helped shape and direct major charitable initiatives in education, public health, and scientific research.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
businessman
ⓘ
conservationist ⓘ government official ⓘ human ⓘ |
| appointedBy | Woodrow Wilson ⓘ |
| birthDate | 1867-07-04 ⓘ |
| birthPlace | San Francisco, California, United States ⓘ |
| burialPlace | Darien, Connecticut, United States ⓘ |
| causeOfDeath | stroke ⓘ |
| child |
Bertha Floy Mather
ⓘ
linked to:
Bertha Mather
|
| collaboratedWith |
Franklin K. Lane
ⓘ
Horace M. Albright ⓘ John Muir ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| deathDate | 1930-01-22 ⓘ |
| deathPlace | Brooklyn, New York, United States ⓘ |
| educatedAt |
University of California, Berkeley
ⓘ
Yale University ⓘ |
| employer | United States Department of the Interior ⓘ |
| endTime | 1929-01-12 ⓘ |
| familyName | Mather ⓘ |
| fieldOfWork |
national parks administration
ⓘ
nature conservation ⓘ |
| fullName | Stephen Tyng Mather ⓘ |
| givenName | Stephen ⓘ |
| hasRelative | Bertha Mather ⓘ |
| honoredBy |
Mather Mountain Party commemorations
ⓘ
Mather Point at Grand Canyon National Park ⓘ numerous bronze tablets in national parks ⓘ |
| influenced | development of the National Park Service ethos of preservation and public enjoyment ⓘ |
| knownFor |
advocating for park roads and visitor facilities
ⓘ
expanding the United States national parks system ⓘ popularizing national parks to the American public ⓘ promoting scenic preservation in the American West ⓘ |
| memberOf | Sierra Club ⓘ |
| movement |
American conservation movement
ⓘ
linked to:
United States conservation movement
|
| notableFor | being the first director of the National Park Service ⓘ |
| occupation |
conservationist
ⓘ
industrialist ⓘ public official ⓘ |
| positionHeld | Director of the National Park Service ⓘ |
| predecessor | Office created ⓘ |
| religion | Episcopalian ⓘ |
| residence |
Darien, Connecticut, United States
ⓘ
Washington, D.C., United States ⓘ
linked to:
Washington, D.C.
|
| spouse | Jane Thacker Floy ⓘ |
| startTime | 1917-05-19 ⓘ |
| successor | Horace M. Albright ⓘ |
| workedOn |
creation of new national parks and monuments
ⓘ
improvement of park management standards ⓘ |
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 Tyng Mather Description of subject: Stephen Tyng Mather was the first director of the U.S. National Park Service and a key conservationist who helped expand and popularize the American national parks system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Stephen Tyng Mather
linked to: Stephen Tyng Mather