I believe that Lewis Nixon was 45 when he invented sonar. He was
born in 1861. Kelly Nixon Mayr
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Lewis Nixon died on January 11, 1995 at the age of 76.
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Lewis Nixon was born on September 30, 1918 and died on January
11, 1995. Lewis Nixon would have been 76 years old at the time of
death or 96 years old today.