Kenkichi Sonogashira (薗頭 健吉, Sonogashira Kenkichi; born 25 October 1931) is a Japanese chemist and was a professor of chemistry at Osaka University in Japan. He discovered the Sonogashira coupling in 1975. Sonogashira was later a professor at Osaka City University and retired in 2004.
Source: “Kenkichi Sonogashira”, English Wikipedia (CC BY-SA 4.0), excerpt