From wikipedia:

Rashied Ali (born Robert Patterson on 1 July 1935 in Philadelphia, Pennsylvania) is a jazz drummer best known for playing with John Coltrane in the last years of Coltrane's life. His brother, Muhammad Ali, is also a drummer, who played with Albert Ayler, among others. More recently, Ali has played with Sonny Fortune.

Ali has also recorded or performed with Pharoah Sanders, Alice Coltrane, James Blood Ulmer and many others.

Among his credits is the last recorded work of John Coltrane's life, the Olatunji Concert and Interstellar Space an album of duets with Coltrane, recorded earlier in 1967.

Ali also briefly formed a non-jazz project called Purple Trap with Japanese experimental guitarist Keiji Haino and jazz-fusion bassist Bill Laswell. Their double CD album, Decided...Already the Motionless Heart of Tranquility, Tangling the Prayer Called "I", was released on John Zorn's Tzadik label in March of 1999. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.