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QueteletQuetelet, Lambert Adolphe (1796-1874), Belgian astronomer, was a native of Ghent. In 1828 he became director of the Brussels Observatory, and in 1834 perpetual secretary of the Belgian Academie Royale, to whose publications he made important contributions. In his works, the chief of which was Sur l'Homme et le Developpement de ses Facultes (1835), he gave much attention to the doctrine of probabilities in its practical aspects. His last important work, L'Anthropometrie, appeared in 1871.
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