Karl Popper
E11919
Austrian person
British person
epistemologist
human
philosopher
philosopher of science
political philosopher
Karl Popper was a 20th-century philosopher of science best known for his theory of falsifiability as the demarcation criterion between science and non-science.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Karl Popper canonical | 89 |
| Karl R. Popper | 2 |
| Popper | 2 |
| Karl Raimund Popper | 1 |
| critical rationalism | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T32504 — 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 Popper Context triple: [Bertrand Russell, influenced, Karl Popper]
-
A.
Rudolf Carnap
Rudolf Carnap was a leading 20th-century philosopher and key figure in logical positivism, known for his work on the philosophy of science, logic, and the logical analysis of language.
-
B.
Ludwig Wittgenstein
Ludwig Wittgenstein was a 20th-century Austrian-British philosopher whose groundbreaking work in logic, language, and the philosophy of mind profoundly shaped analytic philosophy.
-
C.
Bertrand Russell
Bertrand Russell was a British philosopher, logician, and social critic, renowned for his foundational work in analytic philosophy and contributions to logic, mathematics, and political thought.
-
D.
Willard Van Orman Quine
Willard Van Orman Quine was a 20th-century American analytic philosopher and logician known for his work on ontological relativity, the indeterminacy of translation, and the critique of the analytic–synthetic distinction.
-
E.
Paul Kurtz
Paul Kurtz was an American philosopher and prominent secular humanist who became a leading advocate of scientific skepticism and critical inquiry into paranormal and pseudoscientific claims.
- 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 Popper Target entity description: Karl Popper was a 20th-century philosopher of science best known for his theory of falsifiability as the demarcation criterion between science and non-science.
-
A.
Rudolf Carnap
Rudolf Carnap was a leading 20th-century philosopher and key figure in logical positivism, known for his work on the philosophy of science, logic, and the logical analysis of language.
-
B.
Ludwig Wittgenstein
Ludwig Wittgenstein was a 20th-century Austrian-British philosopher whose groundbreaking work in logic, language, and the philosophy of mind profoundly shaped analytic philosophy.
-
C.
Bertrand Russell
Bertrand Russell was a British philosopher, logician, and social critic, renowned for his foundational work in analytic philosophy and contributions to logic, mathematics, and political thought.
-
D.
Willard Van Orman Quine
Willard Van Orman Quine was a 20th-century American analytic philosopher and logician known for his work on ontological relativity, the indeterminacy of translation, and the critique of the analytic–synthetic distinction.
-
E.
Paul Kurtz
Paul Kurtz was an American philosopher and prominent secular humanist who became a leading advocate of scientific skepticism and critical inquiry into paranormal and pseudoscientific claims.
- F. None of above. chosen
Statements (78)
| Predicate | Object |
|---|---|
| instanceOf |
Austrian person
ⓘ
British person ⓘ epistemologist ⓘ human ⓘ philosopher ⓘ philosopher of science ⓘ political philosopher ⓘ |
| almaMater | University of Vienna ⓘ |
| awardReceived |
Lippincott Award
ⓘ
Pour le Mérite for Sciences and Arts ⓘ
linked to:
Order Pour le Mérite for Sciences and Arts
|
| birthDate | 1902-07-28 ⓘ |
| birthPlace |
Austria-Hungary
ⓘ
linked to:
Austrian Habsburg Monarchy
Vienna ⓘ |
| citizenship |
Austria
ⓘ
United Kingdom ⓘ |
| deathDate | 1994-09-17 ⓘ |
| deathPlace |
London
ⓘ
linked to:
London, England
United Kingdom ⓘ |
| doctoralAdvisor | Karl Bühler ⓘ |
| education | University of Vienna ⓘ |
| employer |
London School of Economics
ⓘ
University of Canterbury ⓘ University of London ⓘ |
| era | 20th-century philosophy ⓘ |
| ethnicGroup | Jewish descent ⓘ |
| familyName |
Popper
ⓘ
linked to:
Karl Popper
|
| fieldOfWork |
epistemology
ⓘ
logic ⓘ metaphysics ⓘ philosophy of science ⓘ political philosophy ⓘ |
| fullName |
Karl Raimund Popper
ⓘ
linked to:
Karl Popper
|
| givenName | Karl ⓘ |
| influenced |
Alan Musgrave
ⓘ
David Deutsch ⓘ George Soros ⓘ Hans Albert ⓘ Imre Lakatos ⓘ John W. N. Watkins ⓘ Paul Feyerabend ⓘ Thomas Kuhn ⓘ William W. Bartley ⓘ |
| influencedBy |
Albert Einstein
ⓘ
Bertrand Russell ⓘ David Hume ⓘ Immanuel Kant ⓘ Vienna Circle ⓘ |
| knownFor |
conjectures and refutations model of scientific progress
ⓘ
critical rationalism ⓘ critique of historicism ⓘ defense of open society ⓘ falsificationism ⓘ problem of demarcation ⓘ theory of falsifiability ⓘ |
| language |
English
ⓘ
German ⓘ |
| mainInterest |
demarcation problem
ⓘ
induction ⓘ political liberalism ⓘ scientific method ⓘ |
| marriageStart | 1930 ⓘ |
| name | Karl Popper ⓘ |
| notableWork |
Conjectures and Refutations
ⓘ
Objective Knowledge ⓘ The Logic of Scientific Discovery ⓘ The Open Society and Its Enemies ⓘ The Poverty of Historicism ⓘ |
| philosophicalSchool |
analytic philosophy
ⓘ
critical rationalism ⓘ
linked to:
Karl Popper
|
| positionHeld | Professor of Logic and Scientific Method ⓘ |
| religion | agnosticism ⓘ |
| residence |
Christchurch
ⓘ
linked to:
Christchurch, New Zealand
London ⓘ
linked to:
London, England
Vienna ⓘ |
| spouse | Josefine Anna Henninger ⓘ |
| theory |
conjectures and refutations model of knowledge growth
ⓘ
falsifiability as demarcation criterion between science and non-science ⓘ three worlds ontology ⓘ |
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 Popper Description of subject: Karl Popper was a 20th-century philosopher of science best known for his theory of falsifiability as the demarcation criterion between science and non-science.
Referenced by (95)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Karl Popper
linked to: Karl Popper
linked to: Karl Popper
linked to: Karl Popper
linked to: Karl Popper