By R G W Anderson and Sandra Bicknell Obituary: Brian Bracegirdle (1933-2015) at the Science Museum By Doug Millard Cosmonauts: Birth of an Exhibition By Tim Boon Editorial By Helen Graham The ‘co’ in co-production: Museums, community participation and Science and Technology Studies By Iris Veysey A statistical campaign: Florence Nightingale and Harriet Martineau’s England and her Soldiers By Jim Bennett The Science Museum and the Leonardo da Vinci Quincentenary Exhibition of 1952 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 By Ian Blatchford and Natalia Sidlina The Cosmonauts challenge By Alex Hale Review: Fairfield Govan: visiting a future heritage space By Tilly Blyth Information age? The challenges of displaying information and communication technologies