At the front of the green octagonal table in the Linder Gallery, very prominently positioned in the painting, is a scrap of paper bearing three competing systems of the universe: the Ptolemaic earth-centred system at the top left, the sun-centred Copernican system (prohibited by the Inquisition since 1616) and the compromise system of the Danish astronomer, Kepler’s mentor Tycho Brahe, which has the inner planets going around the sun but the sun and the outer planets orbiting around the earth. Read more…

The sole surviving piece of textual evidence that sheds light on the Linder gallery interior is a letter, sent on 28 March 1629, from the architect-engineer Giovanni Battista Caravaggio to his former tutor in mathematics, Mutio Oddi of Urbino.  In the letter, Caravaggio (then in Milan) mentions a visit to their friend Pieter Linder, a German merchant who had also studied mathematics with Oddi, and who was the Urbinate scholar’s closest friend.  He describes seeing, in Linder’s study, a painting showing a picture gallery in perspective,  which is undoubtedly the Linder gallery interior.  Read more…