# William Leonard Crum

> Ph.D. Yale University 1917

**Wikidata**: [Q102158257](https://www.wikidata.org/wiki/Q102158257)  
**Source**: https://4ort.xyz/entity/william-leonard-crum


## References

1. [Source](http://texts.cdlib.org/view?docId=hb238nb0d8;NAAN=13030&doc.view=frames&chunk.id=div00008)
2. IdRef
3. Mathematics Genealogy Project
4. [Source](https://www.econometricsociety.org/society/organization-and-governance/fellows/memoriam)
5. Virtual International Authority File
6. NUKAT