Gregorio_Y._Zara

Gregorio Ynciong Zara (8 March 1902 – 15 October 1978) was a Filipino engineer, physicist, a National Scientist, and inventor. He was known as the father of videoconferencing for having invented the first two-way videophone. He was also one of the country's pioneer aeronautical engineer having invented an airplane engine that ran on plain alcohol as fuel. Among his other notable inventions include a solar-powered water heater,, the discovery of the physical law of electrical kinetic resistance called the Zara effect,, and a propeller-cutting machine, among others.