BOSSI, GIUSEPPE Italian painter and writer on art, was born s,t Busto Arsizio, near Milan, and died at Milan on Dec. 15, 1816. The greater part of his life was given to the study of Leonardo da Vinci. At the desire of Prince Eugene he made the copy of "The Last Supper," from which the mosaic by Raffaelli at Vienna was executed. His most important work is Del Cenacolo di Leonardo da Vinci (181o) .