The identity of the man in the hidden portrait was still a mystery ... understanding of the artistic strategies employed by the Renaissance master and his studio when reusing canvases ...

click image for close-up Portrait of a Negro was drawn during the Renaissance by the renowned ... using as a model a man he encountered either while in Nuremberg or in Italy.

In that case, researchers discovered a portrait of a man hidden beneath “Ecce Homo,” a 16th century painting by Italian Renaissance master Tiziano Vecellio, known in English as Titian ...