Karl Duncker
E1009238
Karl Duncker was a German Gestalt psychologist known for his influential work on problem-solving and functional fixedness.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Karl Duncker canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T12889277 — 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: Karl Duncker Context triple: [Hermann Duncker, child, Karl Duncker]
-
A.
Wolfgang Köhler
Wolfgang Köhler was a German psychologist and key figure in Gestalt psychology, known for his pioneering research on insight learning and problem-solving in animals.
-
B.
Fritz Kahn
Fritz Kahn was a German physician and pioneering popular science writer best known for his imaginative, infographic-style illustrations explaining human anatomy and physiology in mechanical and industrial metaphors.
-
C.
Heinz Hartmann
Heinz Hartmann was a pioneering Austrian-born psychoanalyst best known as a founder of ego psychology and for his influential work on the adaptive functions of the ego.
-
D.
Charles Hartmann
Charles Hartmann is a central fictional character in Sebastian Faulks’s novel "The Girl at the Lion d’Or," depicted as a middle-aged, married lawyer and politician who becomes romantically involved with the young waitress Anne Louvet in 1930s France.
-
E.
Rudolf Feigl
Rudolf Feigl was an Austrian-Jewish textile manufacturer and Holocaust victim whose name is preserved in historical records of Nazi persecution.
- 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: Karl Duncker Target entity description: Karl Duncker was a German Gestalt psychologist known for his influential work on problem-solving and functional fixedness.
-
A.
Wolfgang Köhler
Wolfgang Köhler was a German psychologist and key figure in Gestalt psychology, known for his pioneering research on insight learning and problem-solving in animals.
-
B.
Fritz Kahn
Fritz Kahn was a German physician and pioneering popular science writer best known for his imaginative, infographic-style illustrations explaining human anatomy and physiology in mechanical and industrial metaphors.
-
C.
Heinz Hartmann
Heinz Hartmann was a pioneering Austrian-born psychoanalyst best known as a founder of ego psychology and for his influential work on the adaptive functions of the ego.
-
D.
Charles Hartmann
Charles Hartmann is a central fictional character in Sebastian Faulks’s novel "The Girl at the Lion d’Or," depicted as a middle-aged, married lawyer and politician who becomes romantically involved with the young waitress Anne Louvet in 1930s France.
-
E.
Rudolf Feigl
Rudolf Feigl was an Austrian-Jewish textile manufacturer and Holocaust victim whose name is preserved in historical records of Nazi persecution.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
Gestalt psychologist
ⓘ
human ⓘ psychologist ⓘ |
| countryOfCitizenship | Germany ⓘ |
| educatedAt |
University of Berlin
ⓘ
linked to:
Humboldt University of Berlin
|
| familyName | Duncker ⓘ |
| fieldOfWork |
Gestalt psychology
ⓘ
cognitive psychology ⓘ psychology ⓘ |
| givenName | Karl ⓘ |
| hasConcept |
functional fixedness
ⓘ
productive thinking ⓘ |
| influenced |
cognitive approaches to problem solving
ⓘ
experimental study of problem solving ⓘ later research on creativity ⓘ |
| influencedBy |
Kurt Koffka
ⓘ
Max Wertheimer ⓘ Wolfgang Köhler ⓘ |
| knownFor |
candle problem experiment
ⓘ
concept of functional fixedness ⓘ research on problem solving ⓘ |
| languageOfWorkOrName |
English
ⓘ
German ⓘ |
| movement | Gestalt psychology ⓘ |
| name | Karl Duncker ⓘ |
| nationality | German ⓘ |
| notableWork | candle problem ⓘ |
| occupation |
academic
ⓘ
researcher ⓘ |
| partOf |
Gestalt school of psychology
ⓘ
linked to:
Gestalt psychology
|
| researchFocus |
functional fixedness in tool use
ⓘ
insight in problem solving ⓘ thinking and reasoning ⓘ |
| workLocation |
Germany
ⓘ
United States ⓘ
linked to:
United States of America
|
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: Karl Duncker Description of subject: Karl Duncker was a German Gestalt psychologist known for his influential work on problem-solving and functional fixedness.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.