Holy smokes! Looks like these tragedies really do come in threes. Hail and farewell to Ivan Dixon, who earned his place of honor in the pop-culture pantheon as groundbreaking co-star of Hogan's Heroes and under-rated director of the sub-zero-cool Trouble Man. As an actor, his movie credits ranged from socially conscious drama (A Raisin in the Sun, Nothing But a Man) to funky urban comedy (Car Wash). But he was even more prolific as a director of episodic television, from Get Christie Love! to Quantum Leap.