ronnie boykins

Ronnie Boykins played the bass in the Sun Ra Arkestra.

He also worked with Marion Brown, Bill Barron, Rahsaan Roland Kirk and Steve Lacy to name a few. He even played mainstream music with Mary Lou Williams, and the blues with Muddy Waters.

Boykins went on to lead the Free Jazz Society and then went into the Melodic Art-Tet.
When Bernard Stollman asked him to record for ESP in 1964, Boykins said that he was not ready. Eleven years later, in 1975, he was.

-- info from "All About Jazz".