Sunday, 16th May 2021 at 11:09 am When she died in 2001, “Delia Who?” seemed a reasonable question. The obituaries described her as a forgotten pioneer, a “lost genius of British electronic music”. She was the woman who had used valve oscillators and magnetic tape to conjure the eerie howls of the Doctor Who theme, and made avant-garde electronica part of everyday life. But Delia Derbyshire’s name had never once appeared on the programme’s credits. Advertisement There was a note of agony in her story, too. A Catholic girl from Coventry, she’d become an audio radical by detectin...