# Hjalmar Hein

> Danish engineer (1871-1922)

**Wikidata**: [Q77459320](https://www.wikidata.org/wiki/Q77459320)  
**Source**: https://4ort.xyz/entity/hjalmar-hein


## References

1. [Dansk Biografisk Leksikon, 3rd edition](https://biografiskleksikon.lex.dk/Estrid_Hein)