Ken was introduced as the educated son of a working-class family.
Portrayed as moralistic and a political activist, Ken differed from the other, predominantly working-class characters in the soap opera.
Valerie Barlow (née Tatlock) was Ken Barlow's first wife and mother of Peter and Susan.
Valerie moved to Coronation Street in 1961 to live with her uncle Albert Tatlock when her parents moved to Glasgow.
He made his first appearance on-screen on 14 January 2001.
Adam was played by Iain de Caestecker from the character's first appearance in 2001 until 21 July 2003 with Robertson taking over the role from 31 December 2004 until 20 April 2007.
The cause of the fire is a mystery, until a policewoman informs him that his car functions on diesel, not petrol.
Adam purchases a car from an auction, but in an embarrassing turn of events, after filling his car up with petrol on a day out with his girlfriend Candice Stowe (Nikki Sanderson), his car ignites by the roadside.
It was then that she started dating Ken and, despite their different educational backgrounds and outlooks on life, they fell in love and got married in 1962. Valerie was a trained hairdresser and before the twins were born, she ran a salon in No.9's front room.
She gave up work to be a full-time mother and housewife, but once the twins were a little older, took jobs at the Corner Shop and Alan Howard's salon, where she was head hairdresser.
On the night before they left, Valerie died from an electric shock when using a faulty electrical outlet in her home.
Valerie Tatlock was born on 26th November 1942 to Alfred and Edith Tatlock.