American vibraphonist, pianist, arranger, producer and songwriter.
Played (and recorded) with : Eddie Harris, Muddy Waters, Ramsey Lewis, The Dells, Rotary Connection, Terry Callier, Howlin' Wolf, Phil Upchurch and many others. Became famous as a producer for Earth, Wind & Fire.
Born : March 26, 1931 in Chicago, Illinois.
Died : May 17, 1976 in Chicago, Illinois.