In the wake of Dick Clark's death, TV Guide Network will celebrate the life and career of the radio and television personality with a half-hour special Dick Clark: American Music Pioneer.

Celebrities tweet reactions to the passing of Dick Clark

Airing Saturday, April 21 at 7/6c, the special will be hosted by Marc Istook, who will look back at the American Bandstand host's life, from his days on the long-running variety show to his career as a top producer for such events as the Golden Globes and the American Music Awards. The special will also include interviews with friends and former co-workers.

The man behind Dick Clark's New Year's Rockin' Eve died Wednesday after suffering a massive heart attack at 82 years old.