LONDON (AP) — Prince Philip, the consort known for his constant support of his wife Queen Elizabeth II as well as for his occasional gaffes, will retire from royal duties this fall, Buckingham Palace said Thursday. The royal, known as the Duke of Edinburgh, has suffered from heart disease and other ailments in recent years but has nonetheless maintained a vigorous public schedule. Philip, a member of the Greek royal family in exile, has been at Elizabeth's side in countless public appearance since their marriage in 1947. "From his steadfast support for Her Majesty the Queen to his inspirational Duke of Edinburgh Awards and his patronage of hundreds of charities and good causes, his contribution to our United Kingdom, the Commonwealth and the wider world will be of huge benefit to us all for years to come," she said. Attention has been increasingly focused on her son Prince Charles, the heir to the throne, and on her grandson Prince William and his wife Kate, the Duchess of Cambridge. Earlier in the day, a report by Britain's Daily Mail of an unusual meeting of royal household staff sparked a worldwide wave of speculation about the health of the queen and Philip, including incorrect reports that the flag atop Buckingham Palace had been lowered to half-staff.