Heraclitus and Democritus is a painting by the Flemish artist Peter Paul Rubens in 1603 in Valladolid during Rubens' stay in Spain for the Duke of Lerma .It is now held in the National Sculpture Museum in Valladolid.It shows the ancient Greek philosophers Heraclitus and Democritus.This article about a sixteenth-century painting is a stub.You can help Wikipedia by expanding it.