Deutsche Welle Freedom of Speech Award Laureate 2018 Sadegh Zibakalam (Tehran University, Professor of Political Science) and Leila Zibakalam (daughter of Sadegh Zibakalam, the Deutsche Welle Freedom of Speech Award Laureate 2018). Sadegh Zibakalam is a professor of political science at the University of Tehran, and one of the most prominent public intellectuals and political analysts in the country. With Deutsche Welle’s mobile courses, you can learn German easily and free of charge. Whether you are a beginner or highly proficient, this is where you will find German courses. You can also learn German with the news or music – from level A1 to C1. For German teachers there are teaching materials and the latest on German language teaching.