# Johann Baptist Cysat

> Swiss Jesuit mathematician and astronomer (1585-1657)

**Wikidata**: [Q123842](https://www.wikidata.org/wiki/Q123842)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Johann_Baptist_Cysat)  
**Source**: https://4ort.xyz/entity/johann-baptist-cysat


## References

1. Integrated Authority File
2. Historical Dictionary of Switzerland
3. International Standard Name Identifier
4. Virtual International Authority File
5. Freebase Data Dumps. 2013
6. Treccani's Enciclopedia on line