# Alfred Geddes Maddren

> American geologist and photographer (1875–1958)

**Wikidata**: [Q39072414](https://www.wikidata.org/wiki/Q39072414)  
**Source**: https://4ort.xyz/entity/alfred-geddes-maddren


## References

1. [Source](https://sortedbyname.com/letter_m/maddren/index_1.html)
2. Find a Grave
3. Virtual International Authority File
4. CiNii Research