Eun-Su Yang and Derek Cunnold (IMAGE) Georgia Institute of Technology Caption Georgia Tech research scientist Eun-Su Yang, left, led the atmospheric ozone recovery study in close collaboration with Georgia Tech Professor Derek Cunnold and other scientists from NASA, Hampton University, NOAA and the University of Alabama in Huntsville. Credit Photo by Gary Meek Usage Restrictions For Editorial Use Only 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.