Libri , Count , Guglielmo Bruto Icilio Timoleone Libri-Carrucci dalla Sommaia , 1802-1869 , scientist, book collector, and thief x Libri , Guglielmo x Libri , Guillaume

Count Guglielmo Bruto Icilio Timoleone Libri-Carrucci dalla Sommaia was born into an aristocratic family in Florence and educated at the University of Pisa, from which he received his doctorate in 1820. From 1823 until his death in 1869 he was officially Professor of Mathematical Physics at Pisa, although he did not teach there after 1824. Libri subsequently spent many years researching in Florence, Paris and London. He was also a prolific collector of and dealer in books and manuscripts, though his reputation was heavily tainted by accusations (proved true after his death) that he had stolen many items from libraries, mainly in France, during the 1840s. Whilst, his usually known simply as Guglielmo Libri, the French form of his name, Guillaume Libri, is sometimes used.