# James D. McCullough

> Ph.D. California Institute of Technology 1936

**Wikidata**: [Q103312311](https://www.wikidata.org/wiki/Q103312311)  
**Source**: https://4ort.xyz/entity/james-d-mccullough


## References

1. [Source](http://www.mic.ucla.edu/X-rays-Diffraction/about-j-d-mccullough)
2. [Source](http://texts.cdlib.org/view?docId=hb767nb3z6&chunk.id=div00078&brand=calisphere&doc.view=entire_text)
3. Mathematics Genealogy Project
4. [Source](https://history.amercrystalassn.org/h-marsh)