NEW YORK — J.D. Salinger, the legendary author, youth hero and fugitive from fame whose “The Catcher in the Rye” shocked and inspired a world he increasingly shunned, has died. He was 91.

Salinger died of natural causes at his home on Wednesday, the author’s son, actor Matt Salinger, said in a statement from Salinger’s longtime literary representative, Harold Ober Associates, Inc. He had lived for decades in self-imposed isolation in a small, remote house in Cornish, N.H.