Tatsuo Nishida (西田 龍雄, Nishida Tatsuo; 26 November 1928 – 26 September 2012) was a professor at Kyoto University. His work encompasses research on a variety of Tibeto-Burman languages, having made great contributions in particular to the deciphering of the Tangut language.
Source: “Tatsuo Nishida”, English Wikipedia (CC BY-SA 4.0), excerpt