This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Peter Paul Rubens Democritus and Heraclitus Google Art Project. commons artist commons date commons medium Oil on canvas commons dimensions commons institution Institution Real Academia de Bellas Artes de San Fernando commons location commons references commons objecthistory commons exhibitionhistory commons creditline commons