# John Douglas Ryder

> American electrical engineering professor

**Wikidata**: [Q93412884](https://www.wikidata.org/wiki/Q93412884)  
**Source**: https://4ort.xyz/entity/john-douglas-ryder


## References

1. Ferro-inductance as a variable electric circuit element
2. IdRef
3. Mathematics Genealogy Project
4. [Source](https://ethw.org/Oral-History:John_Douglass_Ryder)
5. [Source](https://ethw.org/John_D._Ryder)
6. [Source](https://www.ieee.org/content/dam/ieee-org/ieee/web/org/about/awards/recipients/pratt-rl.pdf)
7. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
8. Virtual International Authority File
9. Library of Congress Name Authority File
10. Catalogo of the National Library of India