# Oskar Barnack

> German optical engineer (1879–1936)

**Wikidata**: [Q61109](https://www.wikidata.org/wiki/Q61109)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Oskar_Barnack)  
**Source**: https://4ort.xyz/entity/oskar-barnack


## References

1. Integrated Authority File
2. RKDartists
3. Hessian Biography
4. The Fine Art Archive
5. filmportal.de
6. Virtual International Authority File
7. [Source](https://www.tagesspiegel.de/berlin/bezirke/steglitz-zehlendorf/fotogeschichte-aus-steglitz-oskar-barnack-der-erfinder-der-kleinbildkamera-kam-aus-lichterfelde/21075910.html)
8. Brockhaus Enzyklopädie
9. Artists of the World Online
10. Gran Enciclopèdia Catalana
11. Freebase Data Dumps. 2013
12. Library of Congress Control Number