"Watson-Watt." YourDictionary, n.d. Web. 21 April 2019. <https://www.yourdictionary.com/Watson-Watt>.
Watson-Watt. (n.d.). Retrieved April 21st, 2019, from https://www.yourdictionary.com/Watson-Watt
Sir Robert Alexander 1892–1973
British physicist who pioneered the development of radar. In 1919 he produced a system for locating thunderstorms by tracking their radio emissions. In the 1930s Watson-Watt led the team that developed radar into a practical system for locating aircraft.