Ken Townshend

Ken Townsend MBE, is an English sound engineer who played an important role at Abbey Road Studios. He worked on several Beatles albums, such as Rubber Soul, Revolver and Sgt. Pepper's Lonely Hearts Club Band. In 1966 he invented artificial double tracking (ADT). He spent his whole working career at EMI, and retired as the Chairman of the Studio Group after 42 years of service.