Kaysone Phomvihane
Somsavat Lengsavad (; born 15 June 1945) was a Deputy Prime Minister of Laos. An ethnic Chinese, Chinese name: 凌绪光 (Lin Xuguang), who hails from Luang Prabang with ancestry from Hainan, he was a protégé of Kaysone Phomvihane.