From Variety, by Jon Burlingame:

“Leonard Rosenman, a two-time Oscar-winning composer who was credited with helping to modernize film music in the 1950s and ’60s, died Tuesday of a heart attack at the Motion Picture & Television Country House and Hospital in Woodland Hills, Calif. He was 83.

Rosenman composed the scores for about four dozen films including the James Dean classics “East of Eden” and “Rebel Without a Cause,” as well as such science-fiction films as “Fantastic Voyage” and “Beneath the Planet of the Apes” and period pieces including “A Man Called Horse.”

Read the full story at Variety.com.