Italian mineralogist, crystallographer, and statesman. Professor of geometry (later of mathematics), Instituto Tecnico di Torino (later University of Turin), 1852. An active member of the Accademia dei Lincei; a founding member of the Italian geological society and of the Alpine Club. Italian minister of finance, 1862, 1865, and 1869–73.
Sources: Enciclopedia Italiana Sarjeant 1980–96. (See the bibliography for full references to sources)