The crew of RMS Olympic in dress uniform including Captain Edward Smith (centre with white beard). Four of these men, including Captain Smith, went on to become crew of the ill-fated passenger liner RMS Titanic, the sister ship of the Olympic. The others were ship's surgeon Dr William O'Loughlin (second from left); First Officer William McMaster Murdoch (second from right); and Chief Purser Hugh McElroy (far right).