# Helmut Ehrhardt

> German physicist (1927–2011)

**Wikidata**: [Q1235565](https://www.wikidata.org/wiki/Q1235565)  
**Source**: https://4ort.xyz/entity/helmut-ehrhardt


## References

1. general catalog of BnF
2. Virtual International Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-121085)
4. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb12496719s)
5. [Source](http://gutenberg-biographics.ub.uni-mainz.de/id/c4c39e44-a864-4def-afcc-c7f9484cc953)
6. National Library of Israel Names and Subjects Authority File