The story
Founders
The founding partners had wide experience in both electronics and music. Cockerell, who was EMS' main equipment designer in its early years, was an electronics engineer and computer programmer. In the mid-1960s Zinovieff had formed the 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 concrète and built one of the country's first electronic music studios. He also worked widely in film and TV, composing scores for numerous Ealing Studios and Hammer Films productions, and he is well known for his work on the BBC's Doctor Who, notably on the serial The Daleks.
Timeline of major products
1969 - EMS VCS 3
1971 - EMS Synthi A
1971 - EMS Synthi AK
1971 - EMS Synthi 100
1971 - EMS Synthi Sequencer 256 (digital sequencer)
1972 - EMS Synthi AKS
1973 - EMS Synthi Hi-Fli (multi-effect)
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1974 - EMS Spectron (video synthesizer, formerly Spectre)
1975 - EMS Synthi E
1976 - EMS Vocoder 5000
1977 - EMS Vocoder 2000
1978 - EMS PolySynthi (polyphonic synthesizer)
From Wikipedia’s article on Electronic Music Studios, shared under CC BY-SA 4.0.3