# Ernst Sommerfeld

> German patent attorney (1899-1976)

**Wikidata**: [Q94879503](https://www.wikidata.org/wiki/Q94879503)  
**Source**: https://4ort.xyz/entity/ernst-sommerfeld


## References

1. Catalog of the German National Library
2. [Source](https://kalliope-verbund.info/DE-611-BF-103023)