Michele Emmer is a member of the Istituto Veneto di Lettere, Scienze e Arti in Venice, founded by Napoleon. Former Professor of Mathematics at La Sapienza University in Rome (until 2015), since 1997 he has organized the Mathematics and Culture conferences in Venice. He has organized several exhibitions, cooperating with The Biennale of Art of Venice and the Prada Foundation among others. He is a member of the board of the Journal "Leonardo: art, science and technology", MIT Press, a filmmaker, including a film on M.C. Escher, and author of the series "Art and Math". He is also editor of the series "Mathematics and Culture" and “Imagine Math” by Springer, as well as the series "The Visual Mind" by MIT Press. His most recent books include “Flatlandia di E. Abbott, with DVD, music by Ennio Morricone, 2008; “Bolle di sapone tra arte e matematica”, Bollati Boringhieri, 2010, which won the best Italian essay award at Viareggio 2010; “Numeri immaginari: cinema e matematica”, Bollati Boringhieri, 2012; “Il mio Harry’s bar”, Archinto ed., 2012; “Imagine Math 3”, Springer, 2013; “Imagine Math 4” Springer, 2015, “Imagine Math 5”, Springer, 2016, “Imagine Math 6”, Springer, 2018; “Racconto matematico: memorie impersonali con divagazioni”, 2019, Bollati Boringhieri.Marco Abate is a Full Professor of Geometry at the University of Pisa. He has written more than one hundred scientific papers and textbooks, as well as several papers on the popularization of mathematics. His interests include holomorphic dynamics, geometric function theory, differential geometry, writing (comic books and more), photography, origami, and travelling (having already visited Antarctica his next destination is the Moon).