At the sound of Curt Gowdy’s voice, a generation of outdoorsmen and sports fans kicked back and eased into a quiet Saturday morning on the stream or into the relaxing rhythms of a Sunday ballgame. Yesterday, the legendary broadcaster, who brought us the first Super Bowl, 13 World Series, and ABC’s American Outdoorsman from 1960 to 1980, died of leukemia in Palm Beach, Florida, at the age of 86.