# William Blatz

> German-Canadian developmental psychologist, known for his creation of security theory (1895–1964)

**Wikidata**: [Q27178535](https://www.wikidata.org/wiki/Q27178535)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_E._Blatz)  
**Source**: https://4ort.xyz/entity/william-blatz


## References

1. [Source](https://discoverarchives.library.utoronto.ca/index.php/william-e-blatz-papers-00134)
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File