Education
University of Copenhagen.
Astronomer mathematician university professor actuary
University of Copenhagen.
He was the first to propose a mathematical theory of Brownian motion. Thiele introduced the cumulants and (in Danish) the likelihood function. Thiele was named by Ronald Fisher, in his (short) list of the greatest statisticians of all time.
lieutenant was through his insurance work that he came into contact with fellow mathematician Jørgen Pedersen Gram.
Thiele was the father of Holger Thiele.
In the early 1900s he also developed and proposed a generalisation of approval voting to multiple winner elections called Sequential proportional approval voting, which was briefly used for party lists in Sweden when proportional representation was introduced in 1909. Thiele also was a founder and Mathematical Director of the Hafnia Insurance Company and led the founding of the Danish Society of Actuaries.
Royal Danish Academy of Sciences and Letters.