Daily Almanac for
Feb 15, 2012
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Robert N. Hall

Born: 1919
Birthplace: New Haven, Conn.

High-voltage, high-power semiconductor pin rectifier—Hall's invention boosted efficiency and reduced wasted power and destructive heat build-up in large-scale power transmission. (1994)


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Lloyd HallThe National Inventors Hall of FameWilliam Edward Hanford
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