Luang Wichitwathakan
Aug 11, 1898 - Mar 31, 1962 (63 years old) in Uthai Thani Province, Thailand
Major-General Luang Wichitwathakan (also known as just Wichit Wichitwathakan) was a Thai politician, diplomat, historian, novelist, and playwright. He is credited with changing the name of the country from Siam to Thailand.