Charles K. Kao

The Honorable Sir Charles Kuen Kao, (November 4, 1933 – September 23, 2018) was a Chinese-born American and British electrical engineer and physicist.
He helped discover the development and use of fiber optics in telecommunications. Kao was awarded the 2009 Nobel Prize in Physics for "groundbreaking achievements concerning the transmission of light in fibers for optical communication". Kao holds dual citizenship of the United Kingdom and the United States. Kao is known as the "Godfather of Broadband".
Kao was diagnosed with Alzheimer's disease in 2002 and had speech difficulty. He died on September 23, 2018 from complications of the disease in Sha Tin, Hong Kong at the age of 84.