# Roland Kalpas

> Pilot, engineer, aircraft constructor, officer of the Polish Army (1908-1994)

**Wikidata**: [Q85867762](https://www.wikidata.org/wiki/Q85867762)  
**Source**: https://4ort.xyz/entity/roland-kalpas


## References

1. Virtual International Authority File
2. Sejm-Wielki.pl