# Frederick Langenheim

> German-American photographer and inventor (1809–1879)

**Wikidata**: [Q21292990](https://www.wikidata.org/wiki/Q21292990)  
**Source**: https://4ort.xyz/entity/frederick-langenheim-q21292990


## References

1. Union List of Artist Names
2. Photographers' Identities Catalog
3. [Google Arts & Culture](https://artsandculture.google.com/entity/wp/g11fy7f1lgg)
4. Find a Grave
5. Museum of Modern Art online collection
6. Metropolitan Museum of Art
7. Smithsonian American Art Museum person/institution ID
8. [Source](https://library.si.edu/art-and-artist-files)