Juan José Millás is a bestselling and multi award-winning Spanish novelist and short-story writer, and an award-winning regular contributor to major Spanish newspapers. His narrative works have been translated into more than 20 languages, and include the novels From the Shadows and None Shall Sleep.

Juan Luis Arsuaga is a professor of paleontology at the Complutense University of Madrid and the director of the Human Evolution and Behaviour Institute. He is a member of the American National Academy of Sciences and of the Musée de l'Homme of Paris, a visiting professor at University College London, and a co-director of excavations at the Sierra de Atapuerca World Heritage site. He is a regular contributor to Nature, Science, and the American Journal of Physical Anthropology, is the editor of the Journal of Human Evolution, and is a regular lecturer at the universities of London, Cambridge, Berkeley, New York, Tel Aviv, and Zurich, among others. The recipient of many national and international awards, he is the author of more than a dozen works.

Thomas Bunstead is a writer and translator, and currently a Royal Literary Fellow at Aberystwyth University (2021-23). His recent translations include Portrait of an Unknown Lady by María Gainza and Skin by Sergio del Molino.

Daniel Hahn is a writer, editor, and translator, with some eighty books to his name. His work has won him the Independent Foreign Fiction Prize and the International Dublin Literary Award, and has been shortlisted for the Man Booker International Prize, among many others. His recent translations include Diamela Eltit's Never Did the Fire, a novel, and Sidarta Ribeiro's The Oracle of Night, a nonfiction book about neuroscience and dreaming.