Pierio Valeriano (1477–1558), born Giovanni Pietro dalle Fosse, was an Italian Renaissance humanist, specializing in the early study of Egyptian hieroglyphs. His most famous works were On the Ill Fortune of Learned Men (De litteratorum infelicitate) and Hieroglyphica, sive, De sacris Aegyptiorvm literis commentarii, a study on hieroglyphics and their use in allegory. Source: Wikipedia (en)