Ronnie Mack

Ronald Augustus Mack (July 11, 1940 – November 5, 1963) was an American songwriter, singer and talent manager who wrote "He's So Fine", a number one chart hit in 1963 for the Chiffons and the apparent inspiration for George Harrison's "My Sweet Lord". Mack's early death inspired Holland, Dozier and Holland to write the song "Jimmy Mack".