UNSTOPPABLE: SEAN SCULLY & THE ART OF EVERYTHING documents a year in the life of artist Sean Scully, one of the world’s richest painters, as he flies around the world to open 15 major exhibitions, culminating with his show at the National Gallery in London (April 2019). Now, at the age of 73, Scully opens up about 50 years in the often hostile art world, and his amazing rags to riches life story. By Grierson Award winner Nick Willing.