an Entity references as follows:
The Deutsche Forschungsanstalt für Segelflug (German for '"German Research Institute for Sailplane Flight" or "German Institute for Glider Research"'), or DFS , was formed in 1933 to centralise all gliding activity in Germany, under the directorship of Professor Walter Georgii. It was formed by the nationalisation of the Rhön-Rossitten Gesellschaft (RRG) at Darmstadt.