The Nuttall Encyclopedia
Lagrange, Joseph Louis, Comte
Famous mathematician, born at Turin of French parentage; had gained at the age of twenty a European reputation by his abstruse algebraical investigations; appointed director of Berlin Academy in 1766, he pursued his researches there for twenty-one years; in 1787 he removed to Paris, where be received a pension from the Court of 6000 francs, and remained till his death; universally respected, he was unscathed by the Revolution; appointed to several offices, he received the Grand Cross of the Legion of Honour from Napoleon, who made him a count (1736-1813).
Wood, James, ed. Entry for 'Lagrange, Joseph Louis, Comte'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/l/lagrange-joseph-louis-comte.html. Frederick Warne & Co Ltd. London. 1900.