Biography
Adolphe was born in Ghent (which at that time was a part of the newborn French Republic), the son of François-Augustin-Jacques-Henri Quetelet, a Frenchman and Anne Françoise Vandervelde, a Belgian. His father François was born at Ham, in Picardy, and being of a somewhat adventurous spirit, crossed the English Channel and became a British citizen and the secretary of a Scottish nobleman. In this capacity he travelled with his employer on the Continent, particularly spending time in Italy. At aged about 31, he settled in Ghent and was employed by the city, where Adolphe was born the fifth of nine children, several of whom died in childhood.
Francois died when Adolphe was only seven years old. Adolphe studied at the Ghent lycée, where he started teaching mathematics in 1815 at the age of 19. In 1819 he moved to the Athenaeum in Brussels and in the same year he completed his dissertation (De quibusdam locis geometricis, necnon de curva focal – Of some new properties of the focal distance and some other curves).
Quetelet received a doctorate in mathematics in 1819 from the University of Ghent. Shortly thereafter, the young man set out to convince government officials and private donors to build an astronomical observatory in Brussels; he succeeded in 1828. He became a member of the Royal Academy in 1820. He lectured at the museum for sciences and letters and at the Belgian Military School. In 1850, he was elected a foreign member of the Royal Swedish Academy of Sciences.
Quetelet also founded several statistical journals and societies, and was especially interested in creating international cooperation among statisticians.
In 1855 Quetelet suffered from apoplexy, which diminished but did not end his scientific activity. He died in Brussels on 17 February 1874, and is buried in the Brussels Cemetery.
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