f all the classic generation of British and Irish actors who found they had a new lease of world fame due to recurring roles in the Harry Potter movie franchise, perhaps the most iconic was Michael Gambon. The actor, who has died aged 82, took over the role of the mysterious, snowy-haired Hogwarts headmaster Albus Dumbledore when Richard Harris died in 2002. It put him in charge of the school and at the head of the Hogwarts high table in Prisoner of Azkaban (2004), Goblet of Fire (2005), Order of the Phoenix
