an Entity references as follows:
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 reportedly inspired Holland, Dozier and Holland to write the song "Jimmy Mack".