Conferences" are held at Free University of Berlin. Over the course of one week, international renowned scientists and Nobel laureates come together and discuss current problems in all fields of studies. The annual "Einstein Lectures Dahlem" hosted by the university and several external institutions since 2005 are dedicated to Albert Einstein, who was the director of the Kaiser Wilhelm Institute of Physics for more than 15 years. It is an colloquium which presents fields in science which were influenced by Einstein's thinking. Rankings The 2022 British QS World University Rankings ranked the university 130th internationally, with the Political science program at Otto Suhr Institute being the top rated in Germany and no. 4 in Europe. The 2020 QS WUR for law and legal studies ranked the FU at 51-100th internationally, 3rd in Germany and 17th best in Europe. In the QS WUR 2014, Free University of Berlin was placed at the 81–90 slot being the fifth German university ranked in the list. In 2020, the American U.S. News & World Report listed Free University of Berlin as the 111th best in the world, climbing five positions. Being among the 100 best in the world in 18 areas of 28 ranked. According to the British Times Higher Education World University Rankings 2022 the FU Berlin ranks 83rd globally and seventh in Germany. In the German "ExcellenceRanking" of the CHE (Center for Higher Education Development) in 2013, Free University of Berlin ranks top in the fields of Biology, Chemistry, Physics and Political science. In the CHE "SubjectRanking", Freie Universität has been evaluated as one of Germany's best universities in Earth sciences, Computer science and Philosophy and also ranks among the Top 5 in Psychology, English studies and Education. Because of an unresolved dispute over the Nobel laureates before the Second World War (both Humboldt and Free University of Berlin claim to be the rightful successor of the University of Berlin), they do not appear in the Academic Ranking of World Universities (ARWU), anymore. The last ARWU, also known as Shanghai Ranking, placed the FU at 83rd in the world in 2007. Global partnerships Free University of Berlin maintains wide-ranging international contacts with top universities and organizations which provide key impulses for research and teaching. In the 1950s, the Free University of Berlin had already established partnerships with leading universities in the United States such as the University of California System (including the