# Johan Gerbrand Koopmans

> Dutch economist (1900–1958)

**Wikidata**: [Q2174017](https://www.wikidata.org/wiki/Q2174017)  
**Source**: https://4ort.xyz/entity/johan-gerbrand-koopmans


## References

1. Album Academicum
2. Virtual International Authority File
3. Biografisch Portaal
4. KNAW Past Members