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Jan Provoost
Detail of an altarpiece, St John the Baptist, Rijksmuseum Twenthe (Enschede)
Jan Provoost, Bergen (Henegouwen) ca. 1465 - Brugge 1529
Jan Provoost mainly painted altarpieces. This painting at the Rijksmuseum Twenthe originates from the inner left panel of a triptych. The handheld version of the DIVA Mobile Spectral Camera was used to record the painting on-site in the exhibition hall of the museum. The spectral image taken with the Infrared-C filter inserted in the DIVA camera reveals that Provoost first drew his image with characteristic curling lines before painting the picture. This near-infrared image permits a closer look at the underdrawing, which shows that the face was first positioned more to the right, under a different angle. Although Provoost applied his underdrawing with powerful, certain strokes, he apparently decided to turn the head towards the observer while completing the painting.
Colour Photgraph and Enhanced infrared image