Morten H. Christiansen is the William R. Kenan, Jr. Professor of Psychology at Cornell University, Professor of Cognitive Science at the School of Communication and Culture as well as the Interacting Minds Centre at Aarhus University, Denmark, and a Senior Scientist at the Haskins Labs. He is an elected member of the Royal Danish Academy of Sciences and Letters and the Royal Norwegian Society of Sciences and Letters, and an elected Fellow of the Association for Psychological Science and the Cognitive Science Society. Christiansen is the author of over 250 scientific papers, has edited four books, and authored two monographs. His newest book aimed at a general audience, "The Language Game: How Improvisation Created Language and Changed the World", outlines a radical new perspective on how language works.