Michele Emmer is professor of mathematics at La Sapienza University in Rome. He has made eighteen films in the series “Arte e matematica”, including a film on Escher. He is the editor of the book series “Mathematics and Culture” (Springer) and “The Visual Mind” (MIT Press). His latest books are: Bolle di sapone tra arte e matematica (Bollati Boringhieri, 2009), winner of the 2010 Viareggio Prize; Flatlandia by E. Abbott, accompanied a film on DVD by the same name with music by Ennio Morricone (Bollati Boringhieri, 2008); Visibili armonie. Arte cinema teatro e matematica (Bollati Boringhieri, 2007); The Visual Mind 2 (MIT Press, 2006); M. C. Escher’s Legacy (Springer, 2003), Mathematics and Culture VI (Springer, 2009); Numeri immaginari. Cinema e matematica (Bollati Boringhieri, 2011).