By Juan-Andres Leon Stephen Hawking’s superspace and supergravity blackboard: an iconic artefact in the making By Tilly Blyth and Alison Boyle Theory and every thing: acquiring the office of Professor Stephen Hawking as a resource for history and museology By Harry Parker Book review: The Museum of Other People, by Adam Kuper (London: Profile, 2023) By Tim Snelson, Toni Booth, William Macauley, Annie Jamieson, Natasha McEnroe, Selina Hurley and Katie Dabin Objects of the Mind: using film to explore the entangled histories of media and mental health By Graeme Gooday, Alexander King and Nela Spurna 1876 and All That: the ‘Special Loan Collection of Scientific Apparatus’ as a case study in crowd-sourced international public science By Rebekah Higgitt Revealing observatory networks through object stories: Introduction By Ileana Chinnici, Louise E Devoy and Fernando B Figueiredo Revealing observatory networks through object stories: Object itineraries By Emily Akkermans, Kelley Wilder and Samantha Thompson Revealing observatory networks through object stories: Instrumental networks By Alison Hess Book review: Curious Devices and Mighty Machines: Exploring Science Museums by Samuel J M M Alberti (Reaktion Books, 2022) By John Stack and Jamie Unwin The potential and pitfalls of machine learning in the Congruence Engine context