# Hagen Kleinert

> German physicist

**Wikidata**: [Q76757](https://www.wikidata.org/wiki/Q76757)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hagen_Kleinert)  
**Source**: https://4ort.xyz/entity/hagen-kleinert


## References

1. Integrated Authority File
2. BnF authorities
3. Mathematics Genealogy Project
4. [Born medal recipients. Institute of Physics](http://www.iop.org/about/awards/bilateral/born/medallists/page_38473.html)
5. International Standard Name Identifier
6. CiNii Research
7. [Obituary for Hagen Kleinert. Freie Universität Berlin. 2025](https://www.physik.fu-berlin.de/en/fachbereich/nachruf/2025-hagen-kleinert.html)
8. Freebase Data Dumps. 2013
9. Virtual International Authority File
10. [Source](https://inspirehep.net/authors/1002666)