Alan Stern
E148501
Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alan Stern canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1274758 — 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: Alan Stern Context triple: [New Horizons, principalInvestigator, Alan Stern]
-
A.
Archie Marshek
Archie Marshek was an American film editor known for his work during Hollywood’s early sound era, including editing the 1932 thriller "The Most Dangerous Game."
-
B.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
C.
Piers Sellers
Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
-
D.
Curtis Priem
Curtis Priem is an American engineer and entrepreneur best known as a co-founder and early chief technology officer of the graphics processing company NVIDIA.
-
E.
John David Stier
John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
- 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: Alan Stern Target entity description: Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
-
A.
Archie Marshek
Archie Marshek was an American film editor known for his work during Hollywood’s early sound era, including editing the 1932 thriller "The Most Dangerous Game."
-
B.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
C.
Piers Sellers
Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
-
D.
Curtis Priem
Curtis Priem is an American engineer and entrepreneur best known as a co-founder and early chief technology officer of the graphics processing company NVIDIA.
-
E.
John David Stier
John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
aerospace executive
ⓘ
person ⓘ planetary scientist ⓘ space scientist ⓘ |
| affiliatedWith | NASA ⓘ |
| citizenship |
United States
ⓘ
linked to:
United States of America
|
| educatedAt | University of Colorado Boulder ⓘ |
| employer | Southwest Research Institute ⓘ |
| familyName | Stern ⓘ |
| fieldOfWork |
astronomy
ⓘ
planetary science ⓘ space exploration ⓘ |
| givenName | Alan ⓘ |
| hasAcademicDegree | PhD in planetary sciences ⓘ |
| hasDiscovered |
contributed to characterization of Kuiper Belt objects
ⓘ
contributed to understanding of Pluto’s geology and atmosphere ⓘ |
| hasGender | male ⓘ |
| knownFor |
Kuiper Belt studies
ⓘ
New Horizons Pluto flyby ⓘ
linked to:
New Horizons
leading NASA’s New Horizons mission to Pluto ⓘ research on the outer Solar System ⓘ |
| language | English ⓘ |
| memberOf | American astronomical and planetary science community ⓘ |
| name | Alan Stern ⓘ |
| nationality |
United States
ⓘ
linked to:
United States of America
|
| notableEvent | oversaw first spacecraft flyby of Pluto in 2015 ⓘ |
| notableWork |
New Horizons mission
ⓘ
linked to:
New Horizons
popular science writing on space exploration ⓘ scientific publications on Kuiper Belt objects ⓘ scientific publications on Pluto ⓘ |
| occupation |
author
ⓘ
planetary scientist ⓘ space mission principal investigator ⓘ |
| placeOfActivity |
United States
ⓘ
linked to:
United States of America
|
| positionHeld | principal investigator of the New Horizons mission ⓘ |
| roleIn | led the science team for the New Horizons Pluto flyby ⓘ |
| workInstitution | Southwest Research Institute ⓘ |
| worksOn |
outer Solar System exploration
ⓘ
small bodies of the Solar System ⓘ space mission design ⓘ |
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: Alan Stern Description of subject: Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.