# Johann Graf

> Born: 16 August 1852 in Töss, Zürich, Switzerland; Died: 17 June 1918 in Bern, Switzerland

**Wikidata**: [Q37732739](https://www.wikidata.org/wiki/Q37732739)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Johann_Heinrich_Graf)  
**Source**: https://4ort.xyz/entity/johann-graf-q37732739


## References

1. MacTutor History of Mathematics archive
2. Integrated Authority File
3. Historical Dictionary of Switzerland
4. [Source](https://web.archive.org/web/20150717033836/http://www.uniarchiv.unibe.ch/unibe/generalsekretariat/uniarchiv/content/e3558/e3559/e3585/rektoren_ger.pdf)
5. Mathematics Genealogy Project
6. Czech National Authority Database
7. Virtual International Authority File
8. IdRef
9. CONOR.SI
10. National Library of Israel Names and Subjects Authority File