Eric Clapton, Jack Bruce, Peter Green, John McVie, Mick Fleetwood, Mick Taylor, Jack Bruce, Aynsley Dunbar, Hughie Flint, Jon Hiseman, Dick Heckstall-Smith, Andy Fraser, Johnny Almond.
Later in the 70's 80's and 90's then picking up the American players Don "Sugarcane" Harris, Harvey Mandel, Larry Taylor, Walter Trout, Coco Montoya and Buddy Whittington along with various British players returning from previous Blues Breaker groups.
Mayall was awarded an OBE in the Honours List 2005. "It's the only major award I've ever received. I've never had a hit record or a Grammy or been in the Rock and Roll Hall of Fame."
Here is "Parchman Farm" live in 1969 with Mick Taylor guitar -
and a track from what is considered to be the best British blues album ever cut "The Blues Breakers with Eric Clapton" or "The Beano Album". All Your Love.