Charles Kuen Kao, Hong Kong-American-British electrical engineer and physicist (b. 1933) died on September 23, 2018.

Sir Charles Kao Kuen was an electrical engineer and physicist who pioneered the development and use of fiber optics in telecommunications. In the 1960s, Kao created various methods to combine glass fibers with lasers in order to transmit digital data, which laid the groundwork for the evolution of the Internet.