Martin Hallbeck, Linköping University (image) Linköping University Share Print E-Mail Caption This is Martin Hallbeck, associate professor, Linköping University. Credit Emma Busk Winquist/Linköping University Usage Restrictions Please use with proper credit and caption. 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.