# Johannes Haataja

> Finnish professor

**Wikidata**: [Q17380431](https://www.wikidata.org/wiki/Q17380431)  
**Source**: https://4ort.xyz/entity/johannes-haataja


## References

1. [1991](https://www.hs.fi/ihmisia/art-2000003064691.html)
2. BiographySampo
3. The National Biography of Finland