 Kọ itẹsiwaju fun paragirafi yii - Ni ọrundun 19th, awọn iṣẹ rẹ, bii ọpọlọpọ awọn aworan Early Netherlandish, ni a sọ si Jan Van Eyck tabi Hans Memling. Ní 1902 Exposition des primitifs flamands à Bruges : , awọn paneli Misa ti Saint Gregory ni bayi ni Ile ọnọ Metropolitan ni a sọ si ọmọlẹyin ti a ko mọ ti Rogier Van der Weyden, fifi olorin naa sii ni ile-iwe Brussels ti awọn oṣere ju awọn ẹri iṣaaju lọ. Ọpọlọpọ iṣẹ ni Max Jacob Friedländer kọkọ sọ pé ó jẹ tirẹ. 