# John Lyle Campbell

> American physicist and civil engineer (1827-1904)

**Wikidata**: [Q110307906](https://www.wikidata.org/wiki/Q110307906)  
**Source**: https://4ort.xyz/entity/john-lyle-campbell-q110307906


## References

1. Indiana Authors and Their Books, 1917–1966
2. Find a Grave
3. Virtual International Authority File
4. [Source](https://archives.isl.lib.in.us/repositories/2/resources/1878)