# Jon Boyd Hagen

> Ph.D. Cornell University 1972

**Wikidata**: [Q102397691](https://www.wikidata.org/wiki/Q102397691)  
**Source**: https://4ort.xyz/entity/jon-boyd-hagen


## References

1. IdRef
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. Personal Authority Wikibase of the Czech Republic
7. National Library of Israel Names and Subjects Authority File