Helge S. Kragh is Emeritus Professor at the Niels Bohr Institute, University of Copenhagen. His books include Masters of the Universe (2015).

Gerri Kimber is Visiting Professor in the Department of English at the University of Northampton. She was president of the Katherine Mansfield Society for ten years (2010–20) and has published extensively on Mansfield’s life and work.

Emily Kilpatrick is an Associate Professor at the Royal Academy of Music, London. Her books include French Art Song: History of a New Music, 1870–1914 (2022).

Steven Kaplan is an Associate Fellow of the Ethiopian Academy of Sciences. For over 35 years he taught African Studies and Comparative Religion at the Hebrew University of Jerusalem. His books include Ethiopia: History, Culture and Challenges (co-editor, 2017).

Artan R. Hoxha is a historian of southeastern Europe based in Tirana, Albania.

Dexter Hoyos is Honorary Associate Professor at Sydney University, Australia. His books include Rome Victorious: The Irresistible Rise of the Roman Empire (2019).

Stephen D. Hopper is Professor of Biodiversity at the University of Western Australia, and was Director of Royal Botanic Gardens, Kew, between 2006 and 2012. His books include Life on the Rocks: The Art of Survival (with Philippa Nikulinsky, 2008).

Marcus Hall is Professor of Environmental History at the University of Zurich. His books include Earth Repair (2005), Restoration and History (2009) and Mosquitopia (with Dan Tamïr, 2021).

Lindy Grant is Professor Emeritus of Medieval History at the University of Reading and an Honorary Research Fellow at the Courtauld Institute of Art. Her books include Blanche of Castile, Queen of France (2016).