Joseph Leon Edel

https://en.wikipedia.org/wiki/Leon_Edel

Joseph Leon Edel (9 September 1907 – 5 September 1997) was a North American literary critic and biographer. He was the elder brother of North American philosopher Abraham Edel.

The Encyclopædia Britannica calls Edel "the foremost 20th-century authority on the life and works of Henry James." His work on James won him both a National Book Award and a Pulitzer Prize