it can be seen today in the Hiddensee Local History Museum; the original is kept in the Stralsund Museum of Cultural History. In 1874, the district () of Hiddensee was formed. In 1888, the lighthouse was built in Kloster and lifeboat station completed. In 1892 the first time regular steamer plied between Stralsund and Kloster. In 1905, with the founding of the medical administrative union, the first doctor on Hiddensee was appointed. In 1927, the island was connected to the electrical network. Three years later, the Biological Research Station was established, from which, in 1936, a bird observatory was formed, the Hiddensee Biological Research Station. Between 1937 and 1939, the three parishes on the island were merged into the municipality of Hiddensee. In the 1920s, Hiddensee was an artists' colony that included Erich Heckel, Käthe Kollwitz, Carl Zuckmayer, Lion Feuchtwanger, Georg Grosz among others. Some of the important artists today are Harald Metzkes, Torsten Schlüter and . Also Thomas Mann, Albert Einstein, Sigmund Freud and Franz Kafka spent their holidays on Hiddensee in the 1920s. Opera soprano Lotte Lehmann spoke very fondly of vacationing at Hiddennsee in her autobiography. 1945 to 1989 In 1945, Hiddensee was liberated on 4 and 5 May by Soviet troops. The same and the following year, as part of the land reform in the Soviet zone of occupation, Hiddensee was split into 18 "new farmer" plots. In 1952, the ferry service between Seehof on Rügen and Fährinsel ceased. In the years 1952–1955 the island belonged to the County of Bergen. In 1953, during , several hoteliers fled to the West and others were arrested. After this action, all hotels on the island were taken over by the Free German Trade Union Federation (FDGB). In the fifties, the museum and the Gerhart Hauptmann House were opened, and the Dornbusch Agricultural Production Cooperative (LPG) was founded. In 1962, the building of the dyke between Kloster and Vitte began. The cooperative shipping company was taken over by the Weiße Flotte and the fishermen integrated into the Fishery Production Cooperative of Marine and Coastal Fishermen De Süder branch in Neuendorf and Swantevit branch in Vitte. On 10 April 1967, as a result of marine seismic investigations in the north of the island of Hiddensee, the "E Rügen 2/67" exploratory well began a period of oil exploration. The exploratory well, like the following boreholes drilled up to December 1968 ("E