Prince Charles Reception At St James Palace

LONDON, UNITED KINGDOM - MAY 14: Prince Charles, Prince of Wales talks with Canadian author and Oxford University professor Margaret MacMillan during a reception for Canadians living and working in the UK at St James's Palace on May 14, 2014 in London, United Kingdom. Prince Charles and his wife Camilla the Duchess of Cornwall are due to visit Canada from May 18-21, where they will attend events for Victoria Day, the centenary of World War I and the 150th anniversary of the Charlottetown Conference that led to Canadian Confederation. (Photo by Matt Dunham - WPA Pool/Getty Images)