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09 February 2021, North Rhine-Westphalia, Cologne: Armin Maiwald, filmmaker, author and co-inventor of the "Sendung mit der Maus" is sitting in the foyer of his office. The mouse has been a superstar on children's television for 50 years. The "Lach- und Sachgeschichten" once had their television premiere on March 7, 1971. Photo: Rolf Vennenbernd/dpa (KEYSTONE/DPA/Rolf Vennenbernd)