Sir Marc Isambard Brunel was a French-British engineer who is most famous for the work he did in Britain. He constructed the Thames Tunnel, the world's first underwater tunnel, and was the father of Isambard Kingdom Brunel.
- Occupation
- engineer, civil engineer, architect
- Citizenship
- France, United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- April 25, 1769
- Died
- December 12, 1849