Dr. Richard Moriarty, builder of Pittsburgh Poison Center and creator of Mr. Yuk, dies at 83
PITTSBURGH (KDKA) -- Dr. Richard Moriarty, the Lawrenceville native who built the Pittsburgh Poison Center and its popular mascot Mr. Yuk, has died.
The mascot has become used nationwide to label substances that are poisonous if ingested.
According to the Post-Gazette, Dr. Moriarty had mitral valve replacement surgery three months ago and had been intensive care for weeks.
Dr. Moriarty was 83 years old.
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