Olga's Gallery
Peter Paul Rubens.
The Four Philosophers.
1611-1612. Oil on canvas. Palazzo Pitti, Galleria Palatina, Florence, Italy. More. 
The Four Philosophers. From right to left: Jan Voverius, Justus Lipsius (1547-1606), Flemish humanist, professor of classics at Jena, Leiden and Louvain; Rubens's brother Philip and self-portrait of Rubens