# Walter Zapp

> Estonian inventor of Baltic German origin (1905–2003)

**Wikidata**: [Q123906](https://www.wikidata.org/wiki/Q123906)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Walter_Zapp)  
**Source**: https://4ort.xyz/entity/walter-zapp


## References

1. Integrated Authority File
2. Museum of Modern Art online collection
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. [Source](http://www.moma.org/collection/works/4445)