Louis Ducos du Hauron
E1024731
Louis Ducos du Hauron was a French pioneer of color photography and early cinematography, known for developing foundational three-color photographic processes in the 19th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Louis Ducos du Hauron canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11324622 — 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: Louis Ducos du Hauron Context triple: [Ducos, hasNotableBearer, Louis Ducos du Hauron]
-
A.
Louis Marie de Lescure
Louis Marie de Lescure was a French royalist noble and military leader best known for his prominent role commanding Catholic and royalist forces during the War in the Vendée against the French Revolution.
-
B.
François Dupeyron
François Dupeyron was a French film director and screenwriter known for his humanistic, character-driven dramas.
-
C.
Louis Le Breton
Louis Le Breton was a 19th-century French marine painter and former naval surgeon known for his detailed seascapes and ship portraits.
-
D.
Charles de Lorencez
Charles de Lorencez was a French general best known for leading the ill-fated French assault against Mexican forces at the Battle of Puebla in 1862.
-
E.
Pierre-Alexis Delamair
Pierre-Alexis Delamair was an 18th-century French architect known for his influential early Rococo designs and urban planning projects in Paris.
- 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: Louis Ducos du Hauron Target entity description: Louis Ducos du Hauron was a French pioneer of color photography and early cinematography, known for developing foundational three-color photographic processes in the 19th century.
-
A.
Louis Marie de Lescure
Louis Marie de Lescure was a French royalist noble and military leader best known for his prominent role commanding Catholic and royalist forces during the War in the Vendée against the French Revolution.
-
B.
François Dupeyron
François Dupeyron was a French film director and screenwriter known for his humanistic, character-driven dramas.
-
C.
Louis Le Breton
Louis Le Breton was a 19th-century French marine painter and former naval surgeon known for his detailed seascapes and ship portraits.
-
D.
Charles de Lorencez
Charles de Lorencez was a French general best known for leading the ill-fated French assault against Mexican forces at the Battle of Puebla in 1862.
-
E.
Pierre-Alexis Delamair
Pierre-Alexis Delamair was an 18th-century French architect known for his influential early Rococo designs and urban planning projects in Paris.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
French person
ⓘ
human ⓘ inventor ⓘ photographer ⓘ pioneer of color photography ⓘ |
| burialPlace |
Agen, Lot-et-Garonne, France
ⓘ
linked to:
Agen, France
|
| contributedTo |
development of practical color photography
ⓘ
foundations of color cinematography ⓘ |
| countryOfCitizenship | France ⓘ |
| dateOfBirth | 1837-12-08 ⓘ |
| dateOfDeath | 1920-08-31 ⓘ |
| developedTechnique |
methods for color photo reproduction in print
ⓘ
screen-plate color photography concepts ⓘ three-color carbon printing ⓘ three-color pigment printing ⓘ |
| era |
19th century
ⓘ
early 20th century ⓘ |
| familyName | Ducos du Hauron ⓘ |
| fieldOfWork |
color photography
ⓘ
early cinematography ⓘ optics ⓘ photography ⓘ printing technology ⓘ |
| fullName | Louis Arthur Ducos du Hauron NERFINISHED ⓘ |
| givenName | Louis ⓘ |
| hasGender | male ⓘ |
| hasRelative | Alcide Ducos du Hauron NERFINISHED ⓘ |
| influenced |
cinematography
ⓘ
color photography ⓘ color printing industry ⓘ |
| influencedBy | James Clerk Maxwell ⓘ |
| languageOfWork | French ⓘ |
| nationality | French ⓘ |
| notableFor |
development of three-color photographic processes
ⓘ
early color motion picture experiments ⓘ pioneering subtractive color photography ⓘ trichrome color photography ⓘ |
| notableWork |
Les couleurs en photographie, solution du problème
ⓘ
linked to:
Joly color photographic process
|
| occupation |
engineer
ⓘ
inventor ⓘ photographic researcher ⓘ |
| placeOfBirth | Langon, Gironde, France ⓘ |
| placeOfDeath |
Agen, Lot-et-Garonne, France
ⓘ
linked to:
Agen, France
|
| publicationDate | 1869 ⓘ |
| residence | Agen, France ⓘ |
| usedColorModel |
red-green-blue separation
ⓘ
subtractive color mixing ⓘ |
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: Louis Ducos du Hauron Description of subject: Louis Ducos du Hauron was a French pioneer of color photography and early cinematography, known for developing foundational three-color photographic processes in the 19th century.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.