John Castagno

John Castagno is a multimedia artist and sculptor. He has been an art researcher for the past 40 years and also lectures on art and on art as an investment. Mr. Castagno's recent books include Abstract Artists: Signatures and Monograms, An International Directory (2007), European Artists III: Signatures and Monograms, From 1800 (2008), and African, Asian and Middle Eastern Artists: Signatures and Monograms From 1800 (2008).