Jones directed Monty Python and the Holy Grail in 1975 with Terry Gilliam, and was then sole director on two other Monty Python movies – Life of Brian and Monty Python’s The Meaning of Life.
He directed films away from the Monty Python cannon, including Erik the Viking and The Wind in the Willows.
In October 2016, Jones received a lifetime achievement award at the BAFTA Cymru Awards for his outstanding contribution to TV and film.
The year before this, Jones was diagnosed with a form of dementia that affects the ability to speak and communicate.
source: express.co.uk