The artists who most extended the trends in Titian's large figurative compositions were Tintoretto and Veronese, although Tintoretto is considered by many to be a Mannerist. Rembrandt's knowledge of the works of both Titian and Raphael is apparent in his portraits. The direct influences of Leonardo and Raphael upon their own pupils was to effect generations of artists including Poussin and schools of Classical painters of the 18th and 19th centuries. Antonello da Messina's work had a direct influence on Albrecht Dürer and Martin Schongauer and through the latter's engravings, countless artists including the German, Dutch and English schools of stained glass makers extending into the early 20th century.