painter
Master IW, also Monogramist I.W., was a Czech or Saxon Renaissance painter, trained in the workshop of Lucas Cranach the Elder, active between 1520 and 1550 mainly in north-west Bohemia.
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [central panel]: Beheading of St Barbara](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Osecký_oltář%2C_Stětí_sv._Barbory_–_střed%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg/500px-Osecký_oltář%2C_Stětí_sv._Barbory_–_střed%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg)
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [left wing]: St Peter [recto], St Roche [verso]](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Osecký_oltář%2C_Sv._Petr_(levé_křídlo)%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg/500px-Osecký_oltář%2C_Sv._Petr_(levé_křídlo)%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg)
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [right wing]: St Paul [recto], St Sebastian [verso]](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Osecký_oltář%2C_sv._Pavel_(pravé_křídlo)%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg/500px-Osecký_oltář%2C_sv._Pavel_(pravé_křídlo)%2C_Monogramista_IW_-_Severní_Čechy_(po_1546)%2C_Národní_galerie_v_Praze%2C_inv._č._DO_5426_-_DO_5428.jpg)
%2C_Královská_kanonie_premonstrátů_na_Strahově.jpg/500px-Judita_s_hlavou_Holofernovou_(Mistr_IW%2C_1525-1530)%2C_Královská_kanonie_premonstrátů_na_Strahově.jpg)
.jpg/500px-Monogrammist_I.W._-_Lucretia_(1525).jpg)
.jpg/500px-Mistr_IW%2C_Votivní_obraz_ze_Šopky_(1530).jpg)
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