Which ocean liner was built by John Brown & Company and until 1952 held the transatlantic speed record?
John W. Anderson (sailor):  In 1952, he relieved Commodore Harry Manning as master of the superliner after the recordbreaking voyage on which she broke the translantic speed record previously held by the RMS Queen Mary and captured the Blue Riband for the United States. RMS Queen Mary:  Built by John Brown & Company in Clydebank, Scotland, "Queen Mary", along with  , were built as part of Cunard's planned two-ship weekly express service between Southampton, Cherbourg and New York.
RMS Queen Mary