# Frederick Eckstein

> Austrian polymath, theosophist and a friend and temporary co-worker of Sigmund Freud (1861-1939)

**Wikidata**: [Q86581](https://www.wikidata.org/wiki/Q86581)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frederick_Eckstein)  
**Source**: https://4ort.xyz/entity/frederick-eckstein


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. SNAC