Robert Henry "Bobby" Timmons (Born: December 19, 1935 in Philadelphia - Died: March 1, 1974 in New York City) was an American jazz pianist and composer. He is best known for his role as sideman in Art Blakey's Jazz Messengers (1958 - 1961) and the composition of "Moanin'", "Dat Dere", and "This Here", each of which are typical of his distinctive gospel soul-jazz style. He also played with Cannonball Adderley, Chet Baker, Kenny Dorham (with whom he made his recording debut in a live set from May 1956), Hank Mobley, Lee Morgan, Donald Byrd, Kenny Burrell, Sonny Stitt and Maynard Ferguson. Timmons died from cirrhosis of the liver at the age of 38 on March 1, 1974.