Signing the contract

From left: Prof. Dr. Dr. h.c. Axel Freimuth (Rector of the University of Cologne), Prof. Dr. Dr. h. c. Michael Hoch (Rector of the University of Bonn), Prof. Dr.-Ing. Wolfgang Marquardt (Chair of the Board of Directors of Forschungszentrum Jülich) and Dr. Jean-Noël Thépaut (ECMWF, Director of Copernicus Services).