Simplify the following text for a Grade 9 native English-speaking person.
Original: Huang Xianfan ( 13November1899 - 18 January 1982 ) was a Chinese historian , famous scholar and leader of the Bagui School and the Wunu School .
Simplified: Huang Xianfan ( Zhuang : ; ) ( November 13 , 1899 â `` January 18 , 1982 ) was a Chinese famous historian , ethnologist and educator . A scholar with both ancient and modern knowledge .