Phillip H. Smith

Phillip H. Smith, 1905-1987. Phillip Smith earned his BSEE degree at Tufts College, majoring in electrical communications. He worked for Bell Telephone Laboratories from 1928 to 1970. He is the creator of the Smith Chart for use in solving transmision line problems and this was put into use at the M.I.T. Radiation Laboratory and other sites.

He holds 20 U.S. patents in the microwave filed, including the basic patent on the transmission line matching stub the Cloverleaf Antenna, and the optimum power ratio coaxial transmission line. Mr. Smith also worked with the Signal Corps laboratories on radar. Later, he worked on early microwave radar antenna developments for submarine use under W.H. Doherty. Phil was active in the IRE and later the IEEE from 1947 onwards.