Mary Lou Williams, American pianist and composer (born 1910)

Mary Lou Williams was an American jazz pianist, arranger, and composer. She wrote hundreds of compositions and arrangements and recorded more than one hundred records. Williams wrote and arranged for Duke Ellington and Benny Goodman, and she was friend, mentor, and teacher to Thelonious Monk, Charlie Parker, Miles Davis, Tadd Dameron, Bud Powell, and Dizzy Gillespie.

May 28 is the 148th day of the year in the Gregorian calendar; 217 days remain until the end of the year.