# August Haefeli

> Swiss aircraft designer (1887–1960)

**Wikidata**: [Q121240](https://www.wikidata.org/wiki/Q121240)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/August_Haefeli)  
**Source**: https://4ort.xyz/entity/august-haefeli


## References

1. Integrated Authority File
2. Historical Dictionary of Switzerland
3. Virtual International Authority File