Mongkut Mongkut Phra Bat Somdet Phra Poramenthra Maha Mongkut Phra Chom Klao Chao Yu Hua (), or Rama IV, known in English-speaking countries as King Mongkut (18 October 18041 October 1868), was the fourth monarch of Siam (Thailand) under the House of Chakri, ruling from 1851 to 1868. Outside Thailand, he is best known as the king in the 1951 musical and 1956 film "The King and I", based on the 1946 film "Anna and the King of Siam"in turn based on a 1944 novel by an American missionary about Anna Leonowens' years at his court, from 1862 to 1867. During
Anna Leibbrand and Anna Schlotterbeck were released from prison early in 1956, however. Release was followed by the usual unpublicised rehabilitation and quiet readmission into the ruling SED (party). The punishment was deleted from the official record in 1957. Friedrich and Anna Schlotterbeck settled in Groß Glienicke near Potsdam, supporting themselves by writing books and radio plays. They wrote several radio plays together including "Die Memoiren der Frau Viktoria" (1962), and became close friends with fellow writers and Christa Wolf. In 1968 Anna Schlotterbeck prepared a manuscript entitled ""Hohenschönhausen, Zelle 51"", which dealt with her experiences of state detention in East Germany,