Phillip Hagar Smith
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Phillip Hagar Smith (April 29, 1905–August 29, 1987) was an electrical engineer, who became famous for his invention of the Smith chart.
Smith graduated from Tufts college in 1928. While working for RCA, he invented his eponymous Smith chart. He retired from Bell Labs in 1970.
[edit] Invention of the Smith Chart
Phillip Smith invented the Smith Chart in 1939 while he was working for The Bell Telephone Laboratories (although the Japanese engineer Kurakawa invented a similar device one year earlier). - When asked why he invented this chart, Smith explained: - :"From the time I could operate a slide rule, I've been interested in graphical representations of mathematical relationships."
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