Galileo's Idol offers a vivid depiction of Galileo's friend, student, and patron, Gianfrancesco Sagredo (1571-1620). Sagredo's life, which has never before been studied in depth, brings to light the inextricable relationship between the production, distribution, and reception of political information and scientific knowledge. Nick Wilding uses as wide a variety of sources as possible--paintings, ornamental woodcuts, epistolary hoaxes, intercepted...