John Wygant, University of Minnesota (IMAGE) University of Minnesota Caption U of M physicist John Wygant studies how forces operating in Earth's Van Allen Belts intensify radiation in those regions. He is the principal investigator for NASA’s Radiation Belt Storm Probes mission. Credit Patrick O’Leary / University of Minnesota 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.