# Harold L. O'Donnell

> American electrical engineer and local historian (1897–1973)

**Wikidata**: [Q120432984](https://www.wikidata.org/wiki/Q120432984)  
**Source**: https://4ort.xyz/entity/harold-l-o-donnell


## References

1. [Source](https://webapp1.dlib.indiana.edu/inauthors/view?docId=encyclopedia/VAA5365-02;chunk.id=ina-v2-entry-1834)
2. [Source](http://ingenweb.org/infountain/obits%20o/o-donnell,-harold.html)
3. Indiana Authors and Their Books, 1917–1966