Adrenaline Junkie: John Tyndall’s Ascent
Jonathan Parry, 21 March 2019
On 21 December 1859 John Tyndall, a professor of natural philosophy at the Royal Institution, set out to measure the structure and movements of the Mer de Glace, a glacier above Chamonix. In previous summers he had collected data on several Alpine glaciers, but no one had ever attempted to do so in winter. He got to Folkestone but bad weather meant crossing the Channel was impossible and...