# Hyman Joseph Ettlinger

> Ph.D. Harvard University 1920

**Wikidata**: [Q102077492](https://www.wikidata.org/wiki/Q102077492)  
**Source**: https://4ort.xyz/entity/hyman-joseph-ettlinger


## References

1. [Source](https://www.tshaonline.org/handbook/entries/ettlinger-hyman-joseph)
2. Mathematics Genealogy Project