François Arago
E210997
François Arago was a 19th-century French astronomer, physicist, and politician known for his work on the wave theory of light, electromagnetism, and for promoting science and republican ideals in France.
All labels observed (1)
| Label | Occurrences |
|---|---|
| François Arago canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T1811639 — 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: François Arago Context triple: [Arago, fullName, François Arago]
-
A.
Léon Foucault
Léon Foucault was a 19th-century French physicist best known for demonstrating the Earth's rotation with the Foucault pendulum and for accurately measuring the speed of light.
-
B.
Jean-Baptiste Regnault
Jean-Baptiste Regnault was a prominent French Neoclassical painter of the late 18th and early 19th centuries, known for his historical and allegorical works.
-
C.
Étienne-Louis
Étienne-Louis is a French given name most famously borne by the visionary neoclassical architect Étienne-Louis Boullée.
-
D.
Jean-Baptiste Marie Pierre
Jean-Baptiste Marie Pierre was an 18th-century French painter and draughtsman who became Premier peintre du Roi (First Painter to the King) and a leading figure in the late Rococo and early Neoclassical periods.
-
E.
Siméon Denis Poisson
Siméon Denis Poisson was a French mathematician and physicist renowned for his foundational contributions to probability theory, mathematical physics, and differential equations.
- 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: François Arago Target entity description: François Arago was a 19th-century French astronomer, physicist, and politician known for his work on the wave theory of light, electromagnetism, and for promoting science and republican ideals in France.
-
A.
Léon Foucault
Léon Foucault was a 19th-century French physicist best known for demonstrating the Earth's rotation with the Foucault pendulum and for accurately measuring the speed of light.
-
B.
Jean-Baptiste Regnault
Jean-Baptiste Regnault was a prominent French Neoclassical painter of the late 18th and early 19th centuries, known for his historical and allegorical works.
-
C.
Étienne-Louis
Étienne-Louis is a French given name most famously borne by the visionary neoclassical architect Étienne-Louis Boullée.
-
D.
Jean-Baptiste Marie Pierre
Jean-Baptiste Marie Pierre was an 18th-century French painter and draughtsman who became Premier peintre du Roi (First Painter to the King) and a leading figure in the late Rococo and early Neoclassical periods.
-
E.
Siméon Denis Poisson
Siméon Denis Poisson was a French mathematician and physicist renowned for his foundational contributions to probability theory, mathematical physics, and differential equations.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
French scientist
ⓘ
astronomer ⓘ human ⓘ physicist ⓘ politician ⓘ |
| countryOfCitizenship | France ⓘ |
| dateOfBirth | 1786-02-26 ⓘ |
| dateOfDeath | 1853-10-02 ⓘ |
| educatedAt | École Polytechnique ⓘ |
| familyName | Arago ⓘ |
| fieldOfWork |
astronomy
ⓘ
electromagnetism ⓘ optics ⓘ physics ⓘ wave theory of light ⓘ |
| givenName | François ⓘ |
| hasSibling |
Jacques Arago
ⓘ
Étienne Arago ⓘ
surface form:
Jean Arago
Étienne Arago ⓘ |
| honouredIn |
Martian crater Arago
ⓘ
asteroid 1005 Arago ⓘ lunar crater Arago ⓘ |
| knownFor |
abolitionist stance on slavery
ⓘ
defense of republican ideals in France ⓘ promoting science in France ⓘ supporting the wave theory of light ⓘ work on electromagnetism ⓘ |
| languageOfWorkOrName | French ⓘ |
| memberOf |
Bureau des Longitudes
ⓘ
Académie des Sciences ⓘ
surface form:
French Academy of Sciences
|
| nativeLanguage | French ⓘ |
| notableWork |
Poisson spot
ⓘ
surface form:
Arago spot (Poisson spot) in diffraction
biographical notices of scientists (Éloges académiques) ⓘ contributions to the determination of the meridian arc for the metric system ⓘ discovery of magnetic rotation of polarized light in certain circumstances ⓘ experiments on the polarization of light ⓘ measurements related to the speed of light in air and water ⓘ popularization of Fresnel’s wave theory of light ⓘ |
| occupation |
astronomer
ⓘ
mathematician ⓘ physicist ⓘ politician ⓘ science communicator ⓘ |
| placeOfBirth | Estagel, Pyrénées-Orientales, France ⓘ |
| placeOfDeath |
Paris
ⓘ
surface form:
Paris, France
|
| politicalIdeology | republicanism ⓘ |
| positionHeld |
French Minister of War
ⓘ
surface form:
Minister of War and the Navy of France
director of the Paris Observatory ⓘ member of the Chamber of Deputies of France ⓘ member of the Provisional Government of 1848 (France) ⓘ perpetual secretary of the French Academy of Sciences ⓘ |
| sexOrGender | male ⓘ |
| workLocation | Paris Observatory ⓘ |
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: François Arago Description of subject: François Arago was a 19th-century French astronomer, physicist, and politician known for his work on the wave theory of light, electromagnetism, and for promoting science and republican ideals in France.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.