# Herbert John Ryser

> 1923-1985, Professor of mathematics

**Wikidata**: [Q1608996](https://www.wikidata.org/wiki/Q1608996)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/H._J._Ryser)  
**Source**: https://4ort.xyz/entity/herbert-john-ryser


## References

1. Czech National Authority Database
2. [Mathematics Genealogy Project](https://www.genealogy.math.ndsu.nodak.edu/id.php?id=10321)
3. Mathematics Genealogy Project
4. International Standard Name Identifier
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File