Tobit and Anna with the Kid probably began as a training exercise with the specific aim of teaching how light diffuses to illuminate a room, according to Helen Hillyard, assistant curator at Dulwich. 'Rembrandt challenged his pupil by providing two separate light sources: the open window to the left and the hearth on the floor,' says Hillyard. 'The initial sketch shows signs of being painted by the master himself, with the pupil making significant additions to demonstrate the spread of light'. Image Credit: Rembrandt Van Rijn, Tobit And Anna With The Kid, 1645, Inv Nr 805 © Staatliche Museen Zu Berlin, Gemäldegalerie, Photo: Christoph Schmidt
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