Urbain Le Verrier
E118794
Urbain Le Verrier was a 19th-century French mathematician and astronomer renowned for predicting the existence and position of Neptune using celestial mechanics before it was directly observed.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Urbain Le Verrier canonical | 7 |
| Le Verrier | 1 |
| Urbain Jean Joseph Le Verrier | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1000482 — 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: Urbain Le Verrier Context triple: [Neptune, discoveredBy, Urbain Le Verrier]
-
A.
John Couch Adams
John Couch Adams was a 19th-century English mathematician and astronomer best known for his role in the prediction of the planet Neptune.
-
B.
Anton von Zach
Anton von Zach was an Austrian general and staff officer best known for his role in the Napoleonic Wars, particularly during the Italian campaigns.
-
C.
Simon Newcomb
Simon Newcomb was a 19th-century Canadian-American astronomer and mathematician renowned for his work in celestial mechanics, astronomical constants, and early studies of what became known as Benford's law.
-
D.
Giuseppe Piazzi
Giuseppe Piazzi was an Italian Catholic priest, astronomer, and mathematician best known for discovering the dwarf planet Ceres in 1801.
-
E.
Peter Simon Pallas
Peter Simon Pallas was an 18th-century German naturalist and explorer renowned for his extensive zoological and botanical research in the Russian Empire.
- 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: Urbain Le Verrier Target entity description: Urbain Le Verrier was a 19th-century French mathematician and astronomer renowned for predicting the existence and position of Neptune using celestial mechanics before it was directly observed.
-
A.
John Couch Adams
John Couch Adams was a 19th-century English mathematician and astronomer best known for his role in the prediction of the planet Neptune.
-
B.
Anton von Zach
Anton von Zach was an Austrian general and staff officer best known for his role in the Napoleonic Wars, particularly during the Italian campaigns.
-
C.
Simon Newcomb
Simon Newcomb was a 19th-century Canadian-American astronomer and mathematician renowned for his work in celestial mechanics, astronomical constants, and early studies of what became known as Benford's law.
-
D.
Giuseppe Piazzi
Giuseppe Piazzi was an Italian Catholic priest, astronomer, and mathematician best known for discovering the dwarf planet Ceres in 1801.
-
E.
Peter Simon Pallas
Peter Simon Pallas was an 18th-century German naturalist and explorer renowned for his extensive zoological and botanical research in the Russian Empire.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
French scientist
ⓘ
astronomer ⓘ human ⓘ mathematician ⓘ |
| awardReceived |
Copley Medal
ⓘ
Lalande Prize ⓘ |
| burialPlace |
Montparnasse Cemetery
ⓘ
surface form:
Montparnasse Cemetery, Paris
|
| collaboratedWith |
Johann Galle
ⓘ
surface form:
Johann Gottfried Galle
|
| countryOfCitizenship | France ⓘ |
| dateOfBirth | 1811-03-11 ⓘ |
| dateOfDeath | 1877-09-23 ⓘ |
| discovered |
Neptune
ⓘ
surface form:
Neptune (by prediction of its position)
|
| educatedAt | École Polytechnique ⓘ |
| employer |
Paris Observatory
ⓘ
surface form:
Observatoire de Paris
|
| era | 19th century ⓘ |
| familyName |
Urbain Le Verrier
self-linksurface differs
ⓘ
surface form:
Le Verrier
|
| fieldOfWork |
astronomy
ⓘ
celestial mechanics ⓘ mathematics ⓘ |
| fullName |
Urbain Le Verrier
self-linksurface differs
ⓘ
surface form:
Urbain Jean Joseph Le Verrier
|
| givenName | Urbain ⓘ |
| hasAsteroidNamedAfter | 1997 Leverrier ⓘ |
| hasCraterNamedAfter |
Le Verrier (Martian crater)
ⓘ
Le Verrier (lunar crater) ⓘ |
| influenced |
development of celestial mechanics
ⓘ
subsequent studies of planetary perturbations ⓘ |
| knownFor |
calculation of the position of Neptune
ⓘ
prediction of the existence of Neptune ⓘ studies of perturbations in the orbit of Uranus ⓘ work on planetary orbits ⓘ |
| memberOf |
Académie des Sciences
ⓘ
surface form:
French Academy of Sciences
Royal Society ⓘ |
| nationality | French ⓘ |
| nativeLanguage | French ⓘ |
| notableAchievement | used Newtonian mechanics to predict a new planet ⓘ |
| notableWork |
calculations leading to the discovery of Neptune
ⓘ
theory of planetary motion ⓘ |
| occupation |
astronomer
ⓘ
mathematician ⓘ |
| placeOfBirth |
Saint-Lô
ⓘ
surface form:
Saint-Lô, France
|
| placeOfDeath |
Paris
ⓘ
surface form:
Paris, France
|
| positionHeld | director of the Paris Observatory ⓘ |
| sexOrGender | male ⓘ |
| subjectOf | biographical studies in history of astronomy ⓘ |
| usedMethod |
celestial mechanics
ⓘ
perturbation theory ⓘ |
| workLocation |
Paris
ⓘ
surface form:
Paris, France
|
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: Urbain Le Verrier Description of subject: Urbain Le Verrier was a 19th-century French mathematician and astronomer renowned for predicting the existence and position of Neptune using celestial mechanics before it was directly observed.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Urbain Jean Joseph Le Verrier
this entity surface form:
Le Verrier
subject surface form:
Johann Gottfried Galle