August Wilhelm von Hofmann
E545313
August Wilhelm von Hofmann was a prominent 19th-century German chemist known for his pioneering work in organic chemistry, especially on aniline dyes and amines, and for his influential role as a teacher and organizer of chemical research.
All labels observed (2)
| Label | Occurrences |
|---|---|
| August Wilhelm von Hofmann canonical | 4 |
| Wilhelm Hofmann | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5781850 — 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: August Wilhelm von Hofmann Context triple: [William Henry Perkin, studentOf, August Wilhelm von Hofmann]
-
A.
Adolf von Baeyer
Adolf von Baeyer was a German chemist and Nobel laureate renowned for his pioneering work in organic chemistry, including the synthesis of indigo dye and contributions to the understanding of aromatic compounds.
-
B.
Friedrich Wöhler
Friedrich Wöhler was a pioneering 19th-century German chemist best known for synthesizing urea from inorganic compounds, a landmark achievement that helped establish modern organic chemistry.
-
C.
Hermann Fehling
Hermann Fehling was a German architect known for his influential modernist and postwar building designs.
-
D.
Heinrich von Liebieg
Heinrich von Liebieg was a prominent German industrialist and art patron whose collection and philanthropy significantly supported cultural institutions in Germany.
-
E.
Hermann Carl Vogel
Hermann Carl Vogel was a 19th-century German astronomer renowned for pioneering spectroscopic methods to measure the radial velocities of stars.
- 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: August Wilhelm von Hofmann Target entity description: August Wilhelm von Hofmann was a prominent 19th-century German chemist known for his pioneering work in organic chemistry, especially on aniline dyes and amines, and for his influential role as a teacher and organizer of chemical research.
-
A.
Adolf von Baeyer
Adolf von Baeyer was a German chemist and Nobel laureate renowned for his pioneering work in organic chemistry, including the synthesis of indigo dye and contributions to the understanding of aromatic compounds.
-
B.
Friedrich Wöhler
Friedrich Wöhler was a pioneering 19th-century German chemist best known for synthesizing urea from inorganic compounds, a landmark achievement that helped establish modern organic chemistry.
-
C.
Hermann Fehling
Hermann Fehling was a German architect known for his influential modernist and postwar building designs.
-
D.
Heinrich von Liebieg
Heinrich von Liebieg was a prominent German industrialist and art patron whose collection and philanthropy significantly supported cultural institutions in Germany.
-
E.
Hermann Carl Vogel
Hermann Carl Vogel was a 19th-century German astronomer renowned for pioneering spectroscopic methods to measure the radial velocities of stars.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
German person
ⓘ
chemist ⓘ human ⓘ |
| awardReceived |
Copley Medal
ⓘ
Davy Medal ⓘ Order of Merit for Science and Art (Prussia) ⓘ
linked to:
Order Pour le Mérite for Sciences and Arts
Royal Medal ⓘ |
| birthDate | 1818-04-08 ⓘ |
| birthPlace |
Giessen
ⓘ
linked to:
Gießen
Grand Duchy of Hesse ⓘ |
| countryOfCitizenship | Germany ⓘ |
| dateOfBurial | 1892-05-09 ⓘ |
| deathDate | 1892-05-05 ⓘ |
| doctoralAdvisor | Justus von Liebig ⓘ |
| educatedAt |
University of Giessen
ⓘ
linked to:
University of Gießen
|
| employer |
Royal College of Chemistry, London
ⓘ
linked to:
Royal College of Chemistry
University of Berlin ⓘ
linked to:
Humboldt University of Berlin
|
| familyName | Hofmann ⓘ |
| fieldOfWork |
chemistry
ⓘ
organic chemistry ⓘ |
| givenName | August ⓘ |
| honorificPartOfName | von ⓘ |
| influenced |
development of the synthetic dye industry
ⓘ
organization of chemical research laboratories ⓘ |
| knownFor |
Hofmann degradation of quaternary ammonium salts
ⓘ
Hofmann elimination ⓘ Hofmann rearrangement ⓘ Hofmann voltameter ⓘ development of synthetic dyes ⓘ research on amines ⓘ research on aniline and aniline dyes ⓘ systematic study of coal-tar derivatives ⓘ |
| languageOfWorkOrName | German ⓘ |
| memberOf |
Chemical Society of London
ⓘ
linked to:
Royal Institute of Chemistry
German Chemical Society ⓘ Prussian Academy of Sciences ⓘ Royal Society ⓘ |
| name | August Wilhelm von Hofmann ⓘ |
| notableStudent |
Adolf von Baeyer
ⓘ
Carl Graebe ⓘ Carl Liebermann ⓘ Charles Mansfield ⓘ William Henry Perkin ⓘ |
| placeOfBurial | Berlin ⓘ |
| positionHeld |
director of the Royal College of Chemistry, London
ⓘ
president of the Chemical Society of London ⓘ president of the German Chemical Society ⓘ professor of chemistry at the University of Berlin ⓘ |
| workLocation |
Berlin
ⓘ
London ⓘ
linked to:
London, England
|
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: August Wilhelm von Hofmann Description of subject: August Wilhelm von Hofmann was a prominent 19th-century German chemist known for his pioneering work in organic chemistry, especially on aniline dyes and amines, and for his influential role as a teacher and organizer of chemical research.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: August Wilhelm von Hofmann