Gary Dahl, Inventor of the Pet Rock, Dies at 78 - The New York Times

Gary Dahl, Creator Of The Pet Rock, Dies At 78

The Pet Rock Captured a Moment and Made Its Creator a Millionaire - ABC News

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Gary Dahl, creator of the Pet Rock, dies at 78

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Gary Dahl, Inventor Of The Pet Rock, Dies At 78

Gary Dahl, Inventor of the Pet Rock, Dies at 78 - The New York Times

Gary Dahl (entrepreneur) - Alchetron, the free social encyclopedia