Robert Henry "Bobby" Timmons (Philadelphia, December 19, 1935 - New York City, March 1, 1974) was an American jazz pianist and composer. He is best known for his role as sideman in Art Blakey & The Jazz Messengers (1958 - 1959) and as the composer of a.o. "Moanin'", "Dat Dere", and "This Here", typical of his distinctive gospel soul-jazz style. Timmons was born in Philadelphia, Pennsylvania, the son of a minister. Both of his parents, plus several aunts and uncles, played the piano.