Lonnie Smith (July 3, 1942 – September 28, 2021), styled Dr. Lonnie Smith, was an American jazz Hammond B3 organist who was a member of the George Benson quartet in the 1960s. He recorded albums with saxophonist Lou Donaldson for Blue Note before being signed as a solo act. He owned the label Pilgrimage, and was named the year's best organist by the Jazz Journalists Association nine times.

Source: Wikipedia (https://en.wikipedia.org/wiki/Lonnie_Smith_(organist))