# Leonard Tornheim

> Ph.D. The University of Chicago 1938

**Wikidata**: [Q102114165](https://www.wikidata.org/wiki/Q102114165)  
**Source**: https://4ort.xyz/entity/leonard-tornheim


## References

1. Mathematics Genealogy Project
2. [Source](https://old.maa.org/press/periodicals/convergence/whos-that-mathematician-paul-r-halmos-collection-page-25)
3. [Source](https://www.nsa.gov/serve-from-netstorage/Portals/75/documents/news-features/declassified-documents/friedman-documents/correspondence/FOLDER_367/41732379077161.pdf)