Nicholas Sagan
E44835
Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nicholas Sagan canonical | 3 |
| Sagan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T258285 — 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: Nicholas Sagan Context triple: [Ann Druyan, hasChild, Nicholas Sagan]
-
A.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
B.
Frank White
Frank White is an alias of The Notorious B.I.G., the influential Brooklyn-born rapper widely regarded as one of the greatest figures in hip-hop history.
-
C.
Timothy Ferris
Timothy Ferris is an American science writer and journalist known for his popular books on astronomy and cosmology and for helping bring complex scientific ideas to a broad audience.
-
D.
Norman Spinrad
Norman Spinrad is an American science fiction author known for his provocative, politically charged novels and short stories, including "Bug Jack Barron" and "The Iron Dream."
-
E.
Stanley Corrsin
Stanley Corrsin was a prominent American fluid dynamicist renowned for his pioneering contributions to the study of turbulence and mixing in fluid flows.
- 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: Nicholas Sagan Target entity description: Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
-
A.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
B.
Frank White
Frank White is an alias of The Notorious B.I.G., the influential Brooklyn-born rapper widely regarded as one of the greatest figures in hip-hop history.
-
C.
Timothy Ferris
Timothy Ferris is an American science writer and journalist known for his popular books on astronomy and cosmology and for helping bring complex scientific ideas to a broad audience.
-
D.
Norman Spinrad
Norman Spinrad is an American science fiction author known for his provocative, politically charged novels and short stories, including "Bug Jack Barron" and "The Iron Dream."
-
E.
Stanley Corrsin
Stanley Corrsin was a prominent American fluid dynamicist renowned for his pioneering contributions to the study of turbulence and mixing in fluid flows.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
person ⓘ |
| childOf |
Ann Druyan
ⓘ
Carl Sagan ⓘ |
| familyName |
Sagan
ⓘ
linked to:
Nicholas Sagan
|
| father | Carl Sagan ⓘ |
| givenName | Nicholas ⓘ |
| hasNationality | American ⓘ |
| mother | Ann Druyan ⓘ |
| notableFor | being the son of Carl Sagan and Ann Druyan ⓘ |
| siblingOf |
Alexandra Sagan
ⓘ
linked to:
Sasha Sagan
Samuel Sagan ⓘ |
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: Nicholas Sagan Description of subject: Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nicholas Sagan