# Jack Brennan

> Nixon post-presidential chief of staff

**Wikidata**: [Q6111391](https://www.wikidata.org/wiki/Q6111391)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jack_Brennan)  
**Source**: https://4ort.xyz/entity/jack-brennan


## References

1. [Source](https://www.nixonfoundation.org/2023/10/remembering-colonel-jack-brennan/)