Raymond Daniel Manczarek Jr. ( February 12 , 1939 -- May 20 , 2013 ) better known as Ray Manzarek , was an American musician , singer , producer , film director , and author , best known as a founding member and keyboardist of The Doors from 1965 to 1973 .
Raymond Daniel Manczarek Jr. ( February 12 , 1939 -- May 20 , 2013 ) known as Ray Manzarek was an American musician , singer , music producer , movie director , and author . He was best known as a founding member and keyboardist of The Doors from 1965 to 1973 .