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

10 oddball US inventions that reaped millions

Gary Dahl dies at 78; creator of Pet Rock, 1970s pop culture icon - Los Angeles Times

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My Pet Rock, pet game facebook

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

How a Los Gatos barroom boast led to the Pet Rock and followed Gary Dahl until his dying day – The Mercury News

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

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

Gary Dahl, the man who sold 1.5 million Pet Rocks, dead at 78 – New York Daily News

Pet Rock Inventor Dead: Gary Dahl Dies at 78 – The Hollywood Reporter

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

Pet Rock Creator Gary Dahl Dies