# Ilmar Öpik

> Estonian energetics scientist (1917-2001)

**Wikidata**: [Q17439640](https://www.wikidata.org/wiki/Q17439640)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ilmar_Öpik)  
**Source**: https://4ort.xyz/entity/ilmar-pik


## References

1. Catalog of the German National Library
2. Faceted Application of Subject Terminology
3. Virtual International Authority File