A newspaper obituary for a 19th-century stone mason led Neil Price on a trail of investigation: from Bristol to Tsarist Russia and a massive harbour development destroyed in the Crimean War. Andrea Price joins as reader for a story that starts with Catherine the Great and features Charles Gordon (later of Khartoum) and the first war to be recorded through the techniques of photography.
You can watch this free event from here, or if you’d like to join questions and discussion, you can also go direct to it in the Science Festival’s YouTube channel