Professional inventor Lyman Blackwell
A portrait of Albert Einstein hangs over the bed of Lyman Blackwell, right, a professional inventor, at his Green Valley home. “[Isaac] Newton and Einstein, they were my champions,” he said. Blackwell, 91, patented the first battery-operated smoke detector. Combined, he has 14 patents, and figures he’s invented about 60-65 devices. Photo taken Tuesday, June 30, 2015, in Green Valley.
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Green Valley reisdent Lyman Blackwell, 91, is credited with saving tens of thousands of lives.
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