# Joel K. Haack

> Ph.D. University of Iowa 1979

**Wikidata**: [Q102173531](https://www.wikidata.org/wiki/Q102173531)  
**Source**: https://4ort.xyz/entity/joel-k-haack


## References

1. Mathematics Genealogy Project
2. [Source](https://www.math.uni.edu/~haack/vita.html)