“A hotel as modern as tomorrow, still with time for yesterday.” That’s how Gyles Brandreth describes the home of some of the grandest of events and society gatherings for royalty, dignitaries and celebrities at Grosvenor House. From Barack Obama and Frank Sinatra to a young Queen Elizabeth learning to ice skate in the Great Room, Gyles revisits some of the greatest of hotel gatherings over the last 90 years.