# Harry Frederick Keller

> American chemist and principal of Central High School in Philadelphia (1861-1924)

**Wikidata**: [Q64830363](https://www.wikidata.org/wiki/Q64830363)  
**Source**: https://4ort.xyz/entity/harry-frederick-keller


## References

1. death certificate
2. Harry Frederick Keller—Chemist, Mineralogist, Educator (1861-1924)