Janusz Korczak
E390713
Polish Jew
children's rights advocate
educator
human
orphanage director
pediatrician
radio personality
writer
Janusz Korczak was a Polish-Jewish pediatrician, educator, and pioneering advocate for children's rights who ran progressive orphanages in Warsaw and was killed during the Holocaust after refusing to abandon the children in his care.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Janusz Korczak canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3825699 — 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: Janusz Korczak Context triple: [Flying University, notableStudent, Janusz Korczak]
-
A.
Poldek Pfefferberg
Poldek Pfefferberg was a Polish Jewish Holocaust survivor and businessman who played a crucial role in publicizing Oskar Schindler’s story, inspiring the book and film "Schindler’s List."
-
B.
Gustaw Herling-Grudziński
Gustaw Herling-Grudziński was a Polish writer, essayist, and dissident best known for his harrowing accounts of Soviet labor camps and his broader reflections on totalitarianism and moral resistance.
-
C.
Hieronim Derdowski
Hieronim Derdowski was a prominent 19th-century Kashubian-Polish poet, journalist, and activist known for helping to shape modern Kashubian literature and identity.
-
D.
Franz Jakubowski
Franz Jakubowski was a Polish-German Marxist philosopher known for his contributions to Western Marxist theory, particularly his work on ideology and the relationship between base and superstructure.
-
E.
Jan Kucharzewski
Jan Kucharzewski was a Polish historian, lawyer, and politician who served as the first prime minister of the Regency Kingdom of Poland during World War I.
- 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: Janusz Korczak Target entity description: Janusz Korczak was a Polish-Jewish pediatrician, educator, and pioneering advocate for children's rights who ran progressive orphanages in Warsaw and was killed during the Holocaust after refusing to abandon the children in his care.
-
A.
Poldek Pfefferberg
Poldek Pfefferberg was a Polish Jewish Holocaust survivor and businessman who played a crucial role in publicizing Oskar Schindler’s story, inspiring the book and film "Schindler’s List."
-
B.
Gustaw Herling-Grudziński
Gustaw Herling-Grudziński was a Polish writer, essayist, and dissident best known for his harrowing accounts of Soviet labor camps and his broader reflections on totalitarianism and moral resistance.
-
C.
Hieronim Derdowski
Hieronim Derdowski was a prominent 19th-century Kashubian-Polish poet, journalist, and activist known for helping to shape modern Kashubian literature and identity.
-
D.
Franz Jakubowski
Franz Jakubowski was a Polish-German Marxist philosopher known for his contributions to Western Marxist theory, particularly his work on ideology and the relationship between base and superstructure.
-
E.
Jan Kucharzewski
Jan Kucharzewski was a Polish historian, lawyer, and politician who served as the first prime minister of the Regency Kingdom of Poland during World War I.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
Polish Jew
ⓘ
children's rights advocate ⓘ educator ⓘ human ⓘ orphanage director ⓘ pediatrician ⓘ radio personality ⓘ writer ⓘ |
| advocatedConcept |
children's participation in self-governance
ⓘ
children's right to respect ⓘ |
| birthName | Henryk Goldszmit ⓘ |
| burialPlace |
Treblinka extermination camp monument
ⓘ
surface form:
Treblinka extermination camp memorial (symbolic)
|
| causeOfDeath | gas chamber ⓘ |
| citizenship | Poland ⓘ |
| countryOfBirth | Congress Poland ⓘ |
| dateOfBirth | 1878-07-22 ⓘ |
| dateOfDeath | 1942-08-07 ⓘ |
| deportedFrom | Warsaw Ghetto ⓘ |
| deportedTo |
Treblinka
ⓘ
surface form:
Treblinka extermination camp
|
| Dom SierotLocation | Warsaw ⓘ |
| ethnicGroup | Jewish ⓘ |
| fieldOfWork |
children's rights
ⓘ
education ⓘ orphan care ⓘ pediatrics ⓘ |
| gender | male ⓘ |
| implementedPractice |
children's court in the orphanage
ⓘ
children's parliament in the orphanage ⓘ democratic self-government for children ⓘ |
| influenced |
Convention on the Rights of the Child
ⓘ
surface form:
UN Convention on the Rights of the Child
children's rights movement ⓘ |
| knownFor |
pioneering advocacy for children's rights
ⓘ
refusing to abandon children during the Holocaust ⓘ running progressive orphanages in Warsaw ⓘ |
| languageOfWork | Polish ⓘ |
| livedIn | Warsaw Ghetto ⓘ |
| mannerOfDeath | murdered in the Holocaust ⓘ |
| movement | progressive education ⓘ |
| Nasz DomLocation | Warsaw ⓘ |
| notableIdea | child as a full person with rights ⓘ |
| notableWork |
Jak kochać dziecko
ⓘ
Król Maciuś Pierwszy ⓘ Król Maciuś na bezludnej wyspie ⓘ Prawo dziecka do szacunku ⓘ |
| occupation |
author
ⓘ
educator ⓘ journalist ⓘ pediatrician ⓘ physician ⓘ radio broadcaster ⓘ |
| operatedOrphanage |
Dom Sierot
ⓘ
Nasz Dom ⓘ |
| placeOfBirth | Warsaw ⓘ |
| placeOfDeath |
Treblinka
ⓘ
surface form:
Treblinka extermination camp
|
| pseudonym |
Janusz Korczak
ⓘ
Stary Doktor ⓘ |
| refusedOffer | to escape deportation without the children ⓘ |
| religion | Judaism ⓘ |
| worldWarIService |
Polish units
ⓘ
Imperial Russian Army ⓘ
surface form:
Russian Army
military doctor ⓘ |
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: Janusz Korczak Description of subject: Janusz Korczak was a Polish-Jewish pediatrician, educator, and pioneering advocate for children's rights who ran progressive orphanages in Warsaw and was killed during the Holocaust after refusing to abandon the children in his care.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.