Robert Carl Sheppard, MBE (January 31, 1897– December 31, 1954) was a veteran of the Battle of the Somme (Beaumont-Hamel, France) in World War I who worked as a lighthouse keeper at Fort Amherst and was master mariner of two ships, the SS "Eagle" (1944–1945) and the SS "Trepassey" (1945–1946), chartered for the secret British Antarctic expedition, Operation Tabarin.