By Manon Parry The valuable role of risky histories: exhibiting disability, race and reproduction in medical museums By Ken Arnold and Danielle Olsen Contagious Cities: an international collaborative enquiry By Stewart Emmens Wounded – an exhibition out of time By Jeffrey Sturchio Festschrift: experimenting with research: Kenneth Mees, Eastman Kodak and the challenges of diversification By Bernadette Bensaude-Vincent Festschrift: At the Boundary between Science and Industrial Practices: Applied Science, Arts, and Technique in France By Nanna Kaalund Book review: Higher and Colder: A History of Extreme Physiology and Exploration, The University of Chicago Press, 2019, by Vanessa Heggie By Daniel Belteki A model instrument: the making and the unmaking of a model of the Airy Transit Circle By Jason Bate Projecting soldiers’ repair: the ‘Great War’ lantern and the Royal Society of Medicine By Efram Sera-Shriar Book review: Physics and Psychics: The Occult and the Sciences in Modern Britain, by Richard Noakes By Helen Langwick Review: Behind the Exhibit: Displaying Science and Technology at the World’s Fairs and Museums in the Twentieth Century