 Complete the following phrase:  Admiral of the Fleet Rosslyn Erskine Wemyss, 1st Baron Wester Wemyss, 12 April 1864  24 May 1933, known as Sir Rosslyn Wemyss between 1916 and 1919, was a Royal Navy officer. During the First World War he served as commander of the 12th Cruiser Squadron and then as Governor of Moudros before leading the British landings at Cape Helles and 