# Johannes Schumacher

> German mathematician (1858-1930)

**Wikidata**: [Q94814503](https://www.wikidata.org/wiki/Q94814503)  
**Source**: https://4ort.xyz/entity/johannes-schumacher


## References

1. [Source](https://www.digitale-sammlungen.de/de/view/bsb11505963?page=4,5)
2. Integrated Authority File
3. Catalog of the German National Library