Electronic Music Studios (London) Ltd. (usually abbreviated to EMS) is a synthesizer company formed in 1969 by Peter Zinovieff, Tristram Cary and David Cockerell. The partners had wide experience in both electronics and music. Cockerell, who was EMS' main equipment designer in its early years, was a gifted electronics engineer and computer programmer. In the mid-1960s Zinovieff (who originally qualified as a geologist) had formed the pioneering electronic music group Unit Delta Plus with Delia Derbyshire and Brian Hodgson of the BBC Radiophonic Workshop. Cary was a noted composer and a pioneer in electronic music—he was one of the first people in the UK to work in the musique concrete field and built one of the country's first electronic music studios; he also worked widely in film and TV,