Zhou Yongchang
Zhou Yongchang was a Chinese physician and a pioneering sonographer in mainland China. Zhou was born in November, 1922 in Shanghai. Graduated from Tong De Medical College, he became an urologist. In the late 1950s, Zhou and his colleagues tried to apply industrial ultrasonic testing for medical diagnosis. In 1988, together with four other people, he was presented with the "History of Medical Ultrasound Pioneer Award" by the World Federation of Ultrasound in Medicine and Biology. He is the maternal grandfather of South Korean-based singer and TV host Jackson Wang.
Zhou died on 24 October 2017.
