Richard B. Merrill
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Richard Billings Merrill, a.k.a. Dick Merrill, was an American inventor, engineer, and photographer.
Dick Merrill was an avid photographer.
Richard F. Lyon
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Richard Francis Lyon is an American inventor, scientist, and engineer. He is one of the two people who independently invented the first optical mouse devices in 1980. He has worked in signal processin
Lyon in 2007
Lyon (left) with Steve Kirsch, the other independent inventor of the optical mouse