Kou Voravong
Kou Voravong grew up in Savannakhet and pursued a primary education there. He obtained the « certificat d'études primaires complémentaire indochinois » - Certificate of Indochinese Additional Primary Studies - (CEPCI) in 1930, went afterward to Vientiane and began his first-secondary-school year at the Collège Auguste Pavie. But because of a conflict which opposed him to French Colonial administration, his adopted father was sentenced to prison that same year. As reaction to this situation, Kou Voravong left school and returned to Savannakhet. As an out-of-school teenager, he practiced sports, especially soccer.
Zhou Yongchang
Zhou Yongchang (; 1922–2017) was a Chinese physician. Zhou is known as one of pioneer sonographers 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 the other four persons, they were presented with the "History of Medical Ultrasound Pioneer Award" by the World Federation of Ultrasound in Medicine and Biology (WFUMB). He is the maternal grandfather of South Korean-based singer and TV host Jackson Wang.