On May 10, 2018 the Deutsche Bunsen-Gesellschaft has awarded the Nernst-Haber-Bodenstein prize to Dr. Ellen Backus. With this prize the Bunsen Gesellschaft recognizes Ellen Backus for her original and unique experimental contribution to unravel the structure and dynamics of molecules, especially water, at interface. The award was handed to her during the opening ceremony of this years meeting of the german physical chemistry society in Hannover.