During the years 2004 to 2011, he was Speaker of the German Research Foundation Council “Cultural Anthropology, Religious Studies, Non-European Cultures”.
In 1998 the German National Library and the German Research Foundation began a publicly funded project to digitise the “Jewish Periodicals in Nazi Germany” collection of approximately 30,000 pages, which were originally published between 1933 and 1943.
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In 1984, Huppert founded, together with Gerhard Michler, the first Deutsche Forschungsgemeinschaft priority programme in Mathematics at the German universities of Aachen, Bielefeld, Essen and Mainz.
In December 2008, Schröger was granted a Reinhart Koselleck Project by the German Research Council (DFG).
He is a member in Committee of Drive Technology in the Association of German Engineers (VDI), a advisor of “Alexander von Humboldt Foundation” and German Research Foundation (DFG).
Since 2009 he is supervising a research project about the (so-called) "New Atheism" ("The 'Return of Religion' and the Return of the Criticism of Religion - The 'New Atheism' in recent German and American culture"), founded by the Deutsche Forschungsgemeinschaft ("German Research Foundation") in co-coperation with Ulf Plessentin and Thomas Zenk.
in collaboration with Peter Schirmbacher and Elisabeth Niggemann: "LOCKSS und KOPAL Infrastruktur und Interoperabilität" (LuKII), Deutsche Forschungsgemeinschaft, 2009
Until 1997 Orthmann was also responsible for work in the Alazani valley in eastern Georgia on behalf of the German Research Foundation (DFG) with the objective of completely excavating a large grave mound (kurgan originating in the last third of the third millennium BCE near the Alazani River.
This counts as his assistance in research projects of the “Deutsche Forschungsgemeinschaft”, the “German Institute for Urbanisitik” DIFU7, various ministries of the Federal Republic of Germany, the federal states North Rhine-Westphalia, Rhineland Palatinate and Berlin on such topics as "Construction Law", "Industrial development", "Pollution Management" and "Real Estate Marketing".
In March 1984, he went to Edinburgh and did clinical work at the Princess Margaret Rose Orthopaedic Hospital and, with a grant of the Deutsche Forschungsgemeinschaft (German Research Council), performed basic research at the University of Edinburgh (Sean P. F. Hughes).