When: Friday, March 9 Meet at 1:30 in Walker Court Gallery Guide: Laurie Herd Mitchell/Riopelle: Nothing in Moderation is the first exhibition devoted to major works by Joan Mitchell (American, 1925–1992) and Jean Paul Riopelle (Canadian, 1923–2002), who spent almost 25 years together.We will explore abstract painting, artworks by the artists, and their stories.