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.
Ko San
Ko, San was born in Busan, South Korea. 
A graduate of Hanyoung Foreign Language High School, Ko studied mathematics and cognitive science at Seoul National University. He won a bronze medal at a national amateur boxing tournament in 2004 and climbed a 7,546-meter high mountain in China’s Xinjiang Province, Muztagh Ata, the same year. After graduating at Seoul National University, he started working at Samsung Advanced Institute of Technology as a researcher. His research topic was computer vision.