# Leon Chwistek

> Polish painter, philosopher and logician (*1884 – †1944)

**Wikidata**: [Q711431](https://www.wikidata.org/wiki/Q711431)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Leon_Chwistek)  
**Source**: https://4ort.xyz/entity/leon-chwistek


## References

1. Integrated Authority File
2. [BnF authorities](http://data.bnf.fr/12119388/leon_chwistek/)
3. [Internetowa encyklopedia PWN](http://encyklopedia.pwn.pl/haslo/Chwistek-Leon;3886287.html)
4. Virtual International Authority File
5. BnF authorities
6. [Source](https://bs.sejm.gov.pl/F?func=find-acc&acc_sequence=000053685&find_code=SYS&local_base=ARS10)
7. Czech National Authority Database
8. The Fine Art Archive
9. International Standard Name Identifier
10. CiNii Research
11. Enzyklopädie des europäischen Ostens
12. Encyclopaedia Herder
13. Croatian Encyclopedia
14. Chwistek, Leon
15. Sejm-Wielki.pl
16. IdRef
17. Brockhaus Enzyklopädie
18. Internet Philosophy Ontology project
19. Internetowy Polski Słownik Biograficzny
20. Freebase Data Dumps. 2013
21. Catalogo of the National Library of India