Ben Luke talks to the Icelandic artist Ragnar Kjartansson in depth about his influences and cultural experiences. Among much else, they discuss Kjartansson's love of 18th-century art and him being "horny in Rococo class" in school; his admiration for the painter Elizabeth Peyton; how reading Oscar Wilde's The Picture of Dorian Gray changed his life; and the collaborative ethos behind his video-installation masterpiece The Visitors (2012)—which emerged from "longing to do something with your friends and people you admire". Plus, the questions asked of all the guests on A brush with..., including: if you could live with one work of art, what would it be? And what is art for? This episode is sponsored by Bloomberg Connects.