As early as August 1964, an author in an address to the British Association for the Advancement of Science speculated on the use of light and glass fibers in the telephone network instead of electric currents and wires. But it was not started at that moment.The first serious proposal to employ the optical fibers as a telecommunications transmission meduim was presented in 1966 by K.C. Kao and G.A. Hockham, a Chinese engineer and an English engineer, respectively, in STL (which is in England).