• Félix Fénéon: anarchist and champion of African art
• An interview with the sculptor David Nash
• Art after the lunar landings
• The artists who have tried to capture Moby Dick
Plus: Tal R at the seaside, a preview of Parcours des Mondes, and reviews of Leonardo in London, Maria Lassnig in Amsterdam, and the unsung art of Milein Cosman
What happens when an artist wants to be anonymous?
An Austrian museum is hosting a show by an unnamed artist – but perhaps this act of secrecy will help us see the work more clearly