By Elizabeth Pye Challenges of conservation: working objects By Glyn Parry Review: Scholar, courtier, magician: the lost library of John Dee (Royal College of Physicians, 18 January-29 July 2016) By Helen Graham The ‘co’ in co-production: Museums, community participation and Science and Technology Studies By Jean-Francois Gauvin Functionless: science museums and the display of 'pure objects' By Andrew McLean Flying Scotsman: modernity, nostalgia and Britain’s ‘cult of the past’ By Simon Chaplin Review: The Fate of Anatomical Collections, edited by Rina Knoeff and Robert Zwijnenberg By Jim Bennett The Science Museum and the Leonardo da Vinci Quincentenary Exhibition of 1952 By Ian Blatchford and Natalia Sidlina The Cosmonauts challenge By Marta Leskard A sustainable storage solution for the Science Museum Group By Claudio Giorgione The birth of a collection in Milan: from the Leonardo Exhibition of 1939 to the opening of the National Museum of Science and Technology in 1953