LOS ANGELES,July 16: Veteran Hollywood executive Richard D. Zanuck, the prolific producer behind the blockbuster shark thriller “Jaws,” the best-picture Oscar-winner “Driving Miss Daisy” and a string of Tim Burton fantasies, died on Friday of a heart attack at age 77. Zanuck, son of famed 20th Century Fox chieftain Darryl F. Zanuck, who was named by his father at age 28 as Fox’s head of production, making him Hollywood’s then youngest-ever studio boss, died at his home in Beverly Hills, a spokesman said. (agencies)