Curl:

Go about 3/4 the way down on this webpage:

http://www.battleships-cruisers.co.uk/royal_yachts.htm

The problem is, however, that it doesn't tell you specifically who in the photograph is Lord FitzMaurice. It just says "Others grouped around the King include Earl of Granard, Earl of Shaftesbury, Sir Charles Cust, Sir Derek Keppel, Lord Charles Fitzmaurice, Major Clive Wigram, Sir Charles Fitzwilliam, Captain Forbes Trefusis and Captain Godfrey Faussett."