Patricia Blanchette, University of Notre Dame, Indiana, USAJolen Galaugher, University of Iowa, USASébastien Gandon, Université Blaise Pascal, Clermont, FranceArie Hinkis lives in Israel and is the author of Proofs of the Cantor Bernstein Theorem. A Mathematical ExcursionHarold T. Hodes, Cornell University, USA Reinhard Kahle, Universidade Nova de Lisboa, PortugalKevin C. Klement, University of Massachusetts, Amherst, USAGregory Landini, University of Iowa, USAJames Levine, Trinity College, Dublin, Ireland Edwin Mares, Victoria University of Wellington, New Zealand Dustin Tucker, Colorado State University, Fort Collins, Colorado, USAAlasdair Urquhart, Professor Emeritus, University of Toronto, Canada Byeong-uk Yi, University of Toronto, CanadaJan Wole?ski, Jagiellonian University, Krakow, Poland