Dr. Lonnie Smith (Organ)
Lonnie Smith, 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. (Wikipedia)
Further Reading: Dr. Lonnie Smith
The Hammond B3 master's latest mostly-live record is an unashamedly fun listen, with a novel addition to the proceedings in the form of an Iggy Pop collaboration.