Finding of 38,000 Year-Old Engravings Confirms Ancient Origins of Technique Used by Seurat, Van Gogh, Pissarro, and Lichtenstein (image) New York University Share Print E-Mail Caption This is a graphic rendering of the recently published Blanchard aurochs illustrating the arrangement of punctuations in relation to the animal. Credit Photo and drawing by R. Bourrillon Usage Restrictions Use in conjunction with above study. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.