# Hans Freudenthal

> Dutch mathematician (1905–1990)

**Wikidata**: [Q77506](https://www.wikidata.org/wiki/Q77506)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hans_Freudenthal)  
**Source**: https://4ort.xyz/entity/hans-freudenthal


## References

1. Integrated Authority File
2. Catalogus Professorum Academiae Rheno-Traiectinae
3. BnF authorities
4. [Source](https://www.rug.nl/research/portal/files/14570486/c3.pdf)
5. [Source](https://www.mathunion.org/icmi/organization/historical-sketch-icmi)
6. [Source](https://www.mathunion.org/fileadmin/ICMI/files/About_ICMI/Publications_about_ICMI/HowsonESM_1984__05.pdf)
7. MacTutor History of Mathematics archive
8. Czech National Authority Database
9. [Source](https://www.grafzoeken.nl/)
10. [Source](https://books.google.cat/books?id=O2ozBgAAQBAJ&pg=PA49)
11. [Source](https://www.cavavub.be/nl/eredoctoraten)
12. [Source](https://books.google.cat/books?id=O2ozBgAAQBAJ&pg=PA39)
13. Mathematics Genealogy Project
14. International Standard Name Identifier
15. CiNii Research
16. [Source](https://noord-hollandsarchief.nl/bronnen/archieven?micode=615)
17. [Source](https://vls.hsa.ethz.ch/client/link/de/archiv/einheit/011d678dc9794d54ab046eff16c5c75a)
18. Hans Freudenthal. Biografisch Portaal
19. KNAW Past Members
20. Freebase Data Dumps. 2013
21. Virtual International Authority File
22. [Source](https://books.google.cat/books?id=O2ozBgAAQBAJ&pg=PA58)
23. CONOR.SI
24. Library of Congress Control Number
25. Catalogo of the National Library of India