Dr. Martin Obschonka, Jena University (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Psychologist Dr. Martin Obschonka from Jena University and his colleagues compiled the first 'psychological' maps of an entrepreneurial personality structure. Credit Photo: Grit Hiersemann Usage Restrictions None 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.