Colin Philip Lowrie was an English stage and television actor, best known for playing Dennis Tanner in the long-running ITV soap opera Coronation Street, from the programme's inception in 1960–1968, and again from 2011 to 2014. From Wikipedia
Lowrie's death marks the end of an era for the world's longest-running soap, where he first appeared in 1960 and later set a Guinness World Record for the longest gap between television appearances.