# John J. L. Hinrichsen

> Ph.D. Harvard University 1929

**Wikidata**: [Q102128165](https://www.wikidata.org/wiki/Q102128165)  
**Source**: https://4ort.xyz/entity/john-j-l-hinrichsen


## References

1. [Source](https://cardinal.lib.iastate.edu/repositories/2/resources/1013)
2. Mathematics Genealogy Project