# Irmin-Rudolf Jahn

> German engineer and philatelist (born 1939)

**Wikidata**: [Q130286858](https://www.wikidata.org/wiki/Q130286858)  
**Source**: https://4ort.xyz/entity/irmin-rudolf-jahn


## References

1. Integrated Authority File
2. Wer ist wer in der Philatelie? (3 ed.)