Wasaburo Oishi (大石 和三郎, Ōishi Wasaburō; 15 March 1874 – 18 December 1950) was a Japanese meteorologist. Born in Tosu, Saga, he is best known for his discovery of the high-altitude air currents now known as the jet stream. He was also an important Esperantist, serving as the second board president of the Japanese Esperanto Institute from 1930 to 1945.
Source: “Wasaburo Oishi”, English Wikipedia (CC BY-SA 4.0), excerpt
