Sion, Switzerland a total of 9,828 votes were cast, and the voter turnout was 55.6%. The tertiary sector is the main economic sector in Sion, mainly due to the presence of the cantons administration, the Valaisan parliament and the cantons courthouse. Tourism is also an important sector due to its historic "châteaux" and museums. Sion is the third largest wine making region in Switzerland, however, the valuable agricultural land and vineyards are undergoing constant regression due to the process of urbanisation. Sion has also become an important medical site. The Sion-Region hospital is situated here next to the central institute of Valaisan
Maurice Sion game without a minimax value. Sion was an Invited Speaker at the International Congress of Mathematicians (ICM) in 1970 in Nice and was appointed the Main Organizer for the ICM held in Vancouver in 1974. In 2012 he was elected a Fellow of the American Mathematical Society. Sion was fluent in Spanish, Italian, French, and English. He was predeceased by his youngest child. Upon his death he was survived by his widow, three children, and six grandchildren. Maurice Sion Maurice Sion (17 October 1927, Skopje – 17 April 2018, Vancouver) was an American and Canadian mathematician, specializing in measure theory