# Johannes Otto Kerstan

> Dr. phil. Universität Leipzig 1914

**Wikidata**: [Q102253528](https://www.wikidata.org/wiki/Q102253528)  
**Source**: https://4ort.xyz/entity/johannes-otto-kerstan


## References

1. [Source](https://www.google.com/books/edition/Vergleichung_wagrechter_Strecken_durch_K/FBRDAQAAMAAJ?hl=en&gbpv=1&pg=PT2)
2. Mathematics Genealogy Project