And the algebraists or arithmeticians of the 16th century, such as Luca Pacioli (Lucas de Borgo), Geronimo or Girolamo Cardano (1501-1576), and Niccola Tartaglia (1506-1559), had used geometrical constructions to throw light on the solution of particular equations.
Luca Jacopo Adeodato Giovanni (1231 and 1235).
The chief signed works by Jacopo the younger and his brother Luca are at Anagni and Subiaco.
French became a member of the National Academy of Design (1901), the National Sculpture Society, the Architectural League, and the Accademia di San Luca, of Rome.
The study of Church history was next encouraged, and in August 1883 the pope addressed a letter to Cardinals de Luca, Pitra and HergenrOther, in which he made the remarkable concession that the Vatican archives and library might be placed at the disposal of persons qualified to compile manuals of history.