Lennie Tristano
Leonard Joseph Lennie Tristano was an American jazz pianist, composer, arranger, and teacher of jazz improvisation.
Tristano was born in Chicago on March 19, 1919. His mother, Rose Tristano , was also born in Chicago. His father, Michael Joseph Tristano, was born in Italy and moved to the United States as a child. Lennie was the second of four brothers.
Source: Wikipedia