# John J. Mack

> American businessman

**Wikidata**: [Q4275191](https://www.wikidata.org/wiki/Q4275191)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_J._Mack)  
**Source**: https://4ort.xyz/entity/john-j-mack


## References

1. The Fine Art Archive
2. Munzinger Personen
3. Freebase Data Dumps. 2013