View source for Thorvald N. Thiele

From [[w:Thorvald N. Thiele]]<ref>https://en.wikipedia.org/w/index.php?title=Thorvald_N._Thiele&oldid=1030584045</ref>

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'''Thorvald Nicolai Thiele''' (24 December 1838 – 26 September 1910) was a [[Denmark|w:Danish]] [[w:astronomer]] and director of the [[w:Copenhagen Observatory]].<ref name="springer">{{cite book
  |title      = Dictionary of Minor Planet Names – (1586) Thiele
  |last       = Schmadel | first = Lutz D.
  |publisher  = Springer Berlin Heidelberg
  |pages      = 125–126
  |date       = 2007
  |isbn       = 978-3-540-00238-3
  |doi       = 10.1007/978-3-540-29925-7_1587 |chapter       = (1586) Thiele }}</ref> He was also an [[w:actuary]] and [[w:mathematician]], most notable for his work in [[statistics]], [[interpolation]] and the [[N-body problem#Three-body problem|three-body problem]].

Thiele made notable contributions to the statistical study of random time series and introduced the [[w:cumulant]]s and [[w:likelihood function]]s, and was considered to be one of the greatest statisticians of all time by [[w:Ronald Fisher]].<ref>Jerzy Neyman, “Note on an Article by Sir Ronald Fisher,” ''Journal of the Royal Statistical Society, Series B (Methodological)'', 18, 2 (July 1956): 288–294, {{Doi|10.1111/j.2517-6161.1956.tb00236.x}}.</ref> In the early 1900s he also developed and proposed a generalisation of [[approval voting]] to multiple winner elections called [[sequential proportional approval voting]],<ref>http://journals.lub.lu.se/index.php/st/article/view/1949/1528&usg=ALkJrhiuUQ1zCqZHnca_-iAmk1KpNqMtmg {{Webarchive|url=https://web.archive.org/web/20150618072022/http://journals.lub.lu.se/index.php/st/article/view/1949/1528%26usg%3DALkJrhiuUQ1zCqZHnca_-iAmk1KpNqMtmg |date=2015-06-18 }}</ref> which was briefly used for party lists in [[Sweden]] when proportional representation was introduced in 1909.
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[[Category:Voting theorists|Thiele]]