John Robert Francis Wild (10 April 1873 – 19 August 1939), known as Frank Wild, was a sailor and explorer.
He went on five expeditions to Antarctica for which he was awarded the Polar Medal with four bars, one of only two men to be so honoured, the other being Ernest Joyce.
Source: Scanned from The Endurance by Caroline Alexander ISBN 074754123X. Photograph first published in Ernest Shackleton's book South, William Heinemann, London 1919 License: PD-Australia