# Stephan Portmann

> (1933-2003)

**Wikidata**: [Q15439113](https://www.wikidata.org/wiki/Q15439113)  
**Source**: https://4ort.xyz/entity/stephan-portmann


## References

1. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
2. Historical Dictionary of Switzerland
3. Virtual International Authority File
4. National Library of Israel Names and Subjects Authority File
5. performing-arts.ch