# Pyotr Nikolaevich Chirvinsky

> Russian and Soviet geologist and petrographer (1880-1955)

**Wikidata**: [Q4516153](https://www.wikidata.org/wiki/Q4516153)  
**Source**: https://4ort.xyz/entity/pyotr-nikolaevich-chirvinsky


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Faceted Application of Subject Terminology
4. Virtual International Authority File
5. [Source](https://www.nature.com/articles/177259b0)