# Janne Leffler

> Swedish metallurgist (1870-1929)

**Wikidata**: [Q5943970](https://www.wikidata.org/wiki/Q5943970)  
**Source**: https://4ort.xyz/entity/janne-leffler


## References

1. Dictionary of Swedish National Biography
2. [Svenskagravar.se](http://www.svenskagravar.se/gravsatt/45669745)