Count Dejean (IMAGE) Pensoft Publishers Caption This is a portrait of Count Pierre François Marie Auguste Dejean [1780-1845]. Credit Lithographie par Jacques Llanta Usage Restrictions CC-BY 3.0 License Licensed content 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.