Keywords: Monogrammist IS Scholar in his study.jpg Artwork Creator Monogrammist IS between 1633 1658 oil canvas Institution National Museum Warsaw accession number M Ob 1622 object history credit line IS signature The artist whose works are signed with monogram IS and shows the influence of young Rembrandt and Dou had probably work in Leiden or Amsterdam http //www maius uj edu pl/uczony/obiekty/23-n jpg www maius uj edu pl See below PD-old-100 DEFAULTSORT 1633-1658; Scholar in his study Monogrammist IS Baroque paintings in the National Museum in Warsaw Dutch paintings in the National Museum in Warsaw 17th-century genre paintings |