Kálmán Kandó
Kálmán Kandó de Egerfarmos et Sztregova (egerfarmosi és sztregovai Kandó Kálmán; July 10, 1869 – January 13, 1931) was a Hungarian engineer, the inventor of phase converter and a pioneer in the development of AC electric railway traction. == Education and Family == Kálmán Kandó was born on July 8, 1869, in Pest into an ancient Hungarian noble family.