# Kaarel Orviku

> Estonian geologist (1935-2021)

**Wikidata**: [Q16406092](https://www.wikidata.org/wiki/Q16406092)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kaarel_Orviku)  
**Source**: https://4ort.xyz/entity/kaarel-orviku


## References

1. Czech National Authority Database
2. Estonian Research Portal