Rafael Pérez y Pérez is a Professor at the Universidad Autónoma Metropolitana at Cuajimalpa, México City. He gained a PhD in Artificial Intelligence from the University of Sussex. He specializes in computational creativity, particularly in models for narrative generation. From 2014 to 2019 he was the chair of the Association for Computational Creativity (computationalcreativity.net), which organises the annual International Conference on Computational Creativity (ICCC). His works include Story machines: how computers have become creative writers, MEXICA: 20 Years - 20 Stories, Creatividad Computacional, and several papers about AI and computational creativity. Mike Sharples is Emeritus Professor of Educational Technology at The Open University. He gained a PhD in Cognition, Computers and Creative Writing from the Department of Artificial Intelligence, University of Edinburgh. He is co-author of Story Machines: How Computers Have Become Creative Writers and author of How We Write: Writing as Creative Design. His other works include Computers and Thought: A Practical Introduction to Artificial Intelligence, plus over 300 books and papers on artificial intelligence, computers and writing, and educational technology.