Ronald Planer carried out postdoctoral research at the Australian National University from 2015 to 2020 in the School of Philosophy and is currently a Research Affiliate of the Australian Research Council’s Centre of Excellence for the Dynamics of Language and Postdoctoral Fellow in the Evolution of Language in the School of Languages and Linguistics at Melbourne University. Kim Sterelny is Professor of Philosophy at the Australian National University. He is the coauthor of Language and Reality: An Introduction to the Philosophy of Language and the author of The Evolved Apprentice: How Evolution Made Humans Unique (both published by the MIT Press) and other books.