Spend a stimulating and entertaining hour in the company of philosophers, thinkers and mischief-makers. These speakers have given TED talks, run courses at Alain De Botton's School of Life and still know how to throw shapes on the dance floor. Dr Bramwell: The Art of Deceit and Mischief: a Celebration of the Trickster (15th); Tim Lott on Zen Buddhism and the life of Alan Watts (22nd); Jonathan Pearce on Do I Have Free Will or was I always going to do this talk? (29th)