# Hjalmar Clausen

> scientist

**Wikidata**: [Q26243709](https://www.wikidata.org/wiki/Q26243709)  
**Source**: https://4ort.xyz/entity/hjalmar-clausen


## References

1. Dansk Biografisk Leksikon, 3rd edition
2. National Library of Israel Names and Subjects Authority File
3. NUKAT
4. Den Store Danske Encyklopædi