# John William Alexander O'Brien

> Australian engineer and soldier

**Wikidata**: [Q21535845](https://www.wikidata.org/wiki/Q21535845)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_O'Brien_(Australian_Army_officer))  
**Source**: https://4ort.xyz/entity/john-william-alexander-o-brien


## References

1. [Australian Dictionary of Biography](http://adb.anu.edu.au/biography/obrien-john-william-alexander-11275)