Tony Cheng is a Ph.D. Candidate at University College London, UK. His works have been published in　Phenomenology and Cognitive Sciences, Philosophical Investigations, Philosophical Psychology, and Trends in Cognitive Sciences.

Ophelia Deroy holds the Chair in Philosophy of Mind at Ludwig-Maximilians University, Germany, and is also the Deputy Director of the Institute of Philosophy at the University of London, UK. Her work has appeared in　Multisensory Research, Philosophical Studies, and the Oxford Handbook of Philosophy of Perception, and she is the editor of Sensory blending: on synaesthesia and related phenomena.

Charles Spence is Professor of Experimental Psychology and Head of the Crossmodal Research Laboratory at the University of Oxford, UK. He is the co-author of In touch with the future: The sense of touch from cognitive neuroscience to virtual reality (2014), and also the author of various other books. He has hundreds of papers in high-profile journals.