Nicholas Cullinan is Director of the National Portrait Gallery, London, and curator of he Gallery's forthcoming exhibition Michael Jackson: On the Wall. He was formerly Curator of Modern and Contemporary Art at the Metropolitan Museum of Art, New York (2013-15) and Curator of International Museum Art at Tate Modern (2007-13), where he co-­‐curated the hugely successful exhibition Henri Matisse: The Cut-­‐Outs (2014). Margo Jefferson is a Pulitzer Prize-­‐winning cultural critic. Her 2015 memoir, Negroland, received the National Book Critics Circle Award for Autobiography and was shortlisted for the Baillie Gifford Prize. Her book On Michel Jackson was published in 2006. She has been a staff writer for the New York Times and Newsweek, and her reviews and essays have appeared in New York Magazine, Grand Street, Vogue and Harper's, among many other publications. Zadie Smith is the award-­‐winning author of the novels White Teeth (2000), The Autograph Man (2002), On Beauty (2005), NW (2012) and Swing Time (2016). Her collection of essays, Changing My Mind, was published in 2009. She was elected a fellow of the Royal Society of Literature in 2002 and joined New York University's Creative Writing Program as a tenured professor in 2010.