Johannes Moreelse published on 16 February 2012
Heraclitus of Ephesos, painting from the 17th century by Johannes Moreelse.
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Original image by Johannes Moreelse. Uploaded by Frantisek Valek, published on 16 February 2012 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.