Phillip Hagar Smith, Date of Birth, Place of Birth, Date of Death

Phillip Hagar Smith

American electrical engineer

Date of Birth: 29-Apr-1905

Place of Birth: Lexington, Massachusetts, United States

Date of Death: 29-Aug-1987

Profession: engineer, inventor

Nationality: United States

Zodiac Sign: Taurus

Phillip Hagar Smith (April 29, 1905; Lexington, Massachusetts – August 29, 1987; Berkeley Heights, New Jersey) was an electrical engineer, who became famous for his invention of the Smith chart.
Smith graduated from Tufts College in 1928 with a BS degree in electrical engineering.
While working for Bell Telephone Laboratories, he invented his eponymous Smith chart.When asked why he invented the chart, Smith explained, "From the time I could operate a slide rule, I've been interested in graphical representations of mathematical relationships." In 1969 he published the book Electronic Applications of the Smith Chart: In Waveguide, Circuit, and Component Analysis, a comprehensive work on the subject.
He retired from Bell Labs in 1970.
He was elected a fellow of the IRE in 1952.