in languages led to his being made president of the Royal Society of Thailand, the national arbiter of the Thai language. Prince Wan won many academic honours and is regarded as one of the founding fathers of philological textual criticism in Thailand. Death Prince Wan died on 5 September 1976, aged 85. Honours Foreign honours : Honorary Grand Commander of the Order of the Defender of the Realm (1964) : Grand Cross of the Order of the German Eagle : Grand Cross of the Order of the Sun of Peru : Grand Cordon of the Order of the Rising Sun : Grand Cross of the Order of Sikatuna : Grand Cross of the Royal Norwegian Order of Saint Olav : Grand Cross of the Order of Orange-Nassau : Grand Star of the Decoration of Honour for Services to the Republic of Austria : Padma Bhushan Academic rank Professor of Chulalongkorn University References Thai male Phra Ong Chao 19th-century Chakri dynasty 20th-century Chakri dynasty Vorawan family Ministers of Foreign Affairs of Thailand Deputy Prime Ministers of Thailand Presidents of the United Nations General Assembly Permanent Representatives of Thailand to the United Nations Permanent Representatives of Thailand to the League of Nations Ambassadors of Thailand to the United States Academic staff of Chulalongkorn University Fellows of the Royal Society of Thailand Knights Grand Cross of the Order of Chula Chom Klao Recipients of the Dushdi Mala Medal, Pin of Arts and Science Sciences Po alumni 1891 births 1976 deaths Thai diplomats Thai male Mom Chao Thai academic administrators