Alonzo "Lonnie" Johnson was an American blues and jazz singer, guitarist, violinist and songwriter. He was a pioneer of jazz guitar and jazz violin and is recognized as the first to play an electrically amplified violin.
Andrew E. "Andy" Rubin is an American computer programmer, engineer, entrepreneur, and venture capitalist. He is the founder and CEO of tech startup incubator Playground Global and a partner at venture capital firm Redpoint Ventures.
Dave Smith is an engineer and musician who has pioneered many groundbreaking music technologies. Smith was responsible for the first polyphonic and microprocessor-controlled synthesizer, the Prophet 5, and later the multitimbral synthesizer.