# Johann Hahn

> German photographer (1840–1900)

**Wikidata**: [Q77288134](https://www.wikidata.org/wiki/Q77288134)  
**Source**: https://4ort.xyz/entity/johann-hahn-q77288134


## References

1. Catalog of the German National Library
2. Museum of Modern Art online collection
3. Photographers' Identities Catalog
4. [Source](http://www.moma.org/collection/works/48309)