History of Electronics By petertrani Dec 1, 1873 First Diode Frederick Guthrie Sep 12, 1895 First Radio Sep 12, 1923 First TV Sep 12, 1951 First Commercial Computer Sep 12, 1954 First Transistor Mar 12, 1961 First Resistor First resistor invented Sep 12, 1961 First Silicon Chp Sep 12, 1973 First Phone Sep 12, 1979 Sony Walkman (mp3) Sep 12, 1982 First CD Sep 12, 2007 First iPhone