# Pavel Preobrazhensky

> Russian geologist (1874–1944)

**Wikidata**: [Q4377317](https://www.wikidata.org/wiki/Q4377317)  
**Source**: https://4ort.xyz/entity/pavel-preobrazhensky


## References

1. Great Soviet Encyclopedia (1969–1978)
2. “Now Work, First of All, Work is Especially Needed for Russia…” (A.A. Richter at Perm University in 1917–1923)
3. Historical Encyclopedia of Siberia