Obituary: Sir Michael Gambon, star of The Singing Detective and Harry Potter - BBC News
Michael Gambon - IMDb
Michael Gambon: Actor was both a cult icon and national treasure, on both sides of the Irish Sea – The Irish Times
Michael Gambon remembered by Harry Potter stars as Daniel Radcliffe, Emma Watson and Rupert Grint join JK Rowling in tribute to Dumbledore actor after legend of stage and screen dies aged 82
Sir Michael Gambon, Dumbledore in Harry Potter movies, has died at 82
Sir Michael Gambon, actor who ranged from The Singing Detective to Dumbledore in Harry Potter – obituary
Michael Gambon, star of Harry Potter and The Singing Detective, dies aged 82, Michael Gambon
Daniel Radcliffe praises 'brilliant' Sir Michael Gambon, Entertainment
Sir Michael Gambon obituary, Michael Gambon