# John Wesley Powell

> painting by Edmund Clarence Messer

**Wikidata**: [Q47510921](https://www.wikidata.org/wiki/Q47510921)  
**Source**: https://4ort.xyz/entity/john-wesley-powell-q47510921


## References

1. [Source](http://npg.si.edu/object/npg_NPG.70.21)
2. [Source](http://browse.americanartcollaborative.org/object/npg/37840.html)