Jazz artist who was revered among his peers, but struggled to find work because of his blindness and brittle bone disease.
He became a fixture on the Chicago club scene midway through the 1940s, playing with Charlie Parker.
He lasted six weeks as Dinah Washington's accompanist before she fired him, as was her habit with accompanists. He ended up settling in New York anyway.
He taught himself how to play the family piano.
He was a powerful influence on Herbie Hancock who begged to study with him and later declared him to be a master of harmony and sensitivity.