Hidetsugu Yagi

Hidetsugu Yagi was a Japanese electrical engineer from Osaka. When working at Tohoku University, he wrote several articles that introduced a new antenna designed by his colleague Shintaro Uda to the Englishspeaking world.

Hidetsugu Yagi was born on January 28, 1886, in Osaka Prefecture. After he graduated from the Department of Electronic Engineering of the Tokyo Imperial University, Faculty of Sciences, in 1909. From 1913 he studied in England, America, and Germany, and in Germany he continued research on generation of electric waves used for wireless communication. He returned to Japan in 1930.

Source: Wikipedia