Daniel Brélaz (born 4 January 1950, in

Lausanne , neighboring_municipalities= Bottens, Bretigny-sur-Morrens, Chavannes-près-Renens, Cheseaux-sur-Lausanne, Crissier, Cugy, Écublens, Épalinges, Évian-les-Bains (FR-74), Froideville, Jouxtens-Mézery, Le Mont-sur-Lausanne, Lugrin (FR ...

) is a Swiss mathematician and politician, member of the

Green Party of Switzerland The Green Party of Switzerland (german: GRÜNE Schweiz; french: Les VERT-E-S suisses; it, VERDI svizzeri; rm, VERDA svizra) is the fourth-largest party in the National Council of Switzerland and the largest party that is not represented on t ...

and mayor of Lausanne between 2001 and 2016. In 1979, Daniel Brélaz became the first

green Green is the color between cyan and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495570 nm. In subtractive color systems, used in painting and color printing, it is created by a combi ...

representative elected to sit in a national parliament.

Biography

Daniel Brélaz (1982) by Erling Mandelmann

Brélaz received a degree in mathematics from

École polytechnique fédérale de Lausanne École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...

(EPFL) in 1975, and afterwards taught mathematics. He is responsible for a well-known approximation algorithm for graph colouring. In 1975, he joined the Group for the Protection of the Environment in Lausanne. In 1978 he was one of the first environmentalists elected to parliament, in the Grand Council of

Vaud Vaud ( ; french: (Canton de) Vaud, ; german: (Kanton) Waadt, or ), more formally the canton of Vaud, is one of the 26 cantons forming the Swiss Confederation. It is composed of ten districts and its capital city is Lausanne. Its coat of arms b ...

, and re-elected in 1982–1983. From 1979 to 1989, Brélaz was the first environmentalist elected to sit in a national parliament, in the

National Council of Switzerland The National Council (german: Nationalrat; french: Conseil national; it, Consiglio nazionale; rm, Cussegl naziunal) is the lower house of the Federal Assembly of Switzerland, the upper house being the Council of States. With 200 seats, th ...

. In 1989, he was elected to the City Council of Lausanne where he was responsible for industrial services. On 25 November 2001, he became the trustee responsible for finance, and was re-elected in the first round of Vaud elections on 12 March 2006. In 2007, he was elected again to the National Council. He resigned his seat on the Grand Council of Vaud but remained a trustee in Lausanne, and was criticized for maintaining this dual mandate. On 13 March 2011, he was re-elected in the first round of the Lausanne municipal elections with 11,503 votes in his favour. Brélaz was elected in 2015 Swiss federal election and re-elected in

2019 File:2019 collage v1.png, From top left, clockwise: Hong Kong protests turn to widespread riots and civil disobedience; House of Representatives votes to adopt articles of impeachment against Donald Trump; CRISPR gene editing first used to experim ...

. A month after his election, he announced that he would retire from the National Council in 2022. His term officially ended on 17 February 2022 and was succeeded by Raphaël Mahaim. Brélaz is vice-president of the Administrative Council for Public Transportation in the Region of Lausanne.

References

Bibliography

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External links

* * {{DEFAULTSORT:Brelaz, Daniel Swiss mathematicians Green Party of Switzerland politicians Members of the National Council (Switzerland) People from Lausanne Mayors of Lausanne 1950 births Living people École Polytechnique Fédérale de Lausanne alumni