Friedrich Kaiser (3 April 1814, Biberach - 6 November 1874, Vienna) was an Austrian playwright. During his youth he was one of the most popular people in Vienna. Some of his plays were "Hans Hasenkopf" (1835); "Wer wird Amtmann" (1840), "Palais und Irrenhaus" (1863), "Des Krämers Töchterlein" (1862), "Pater Abraham a Sancta Clara" as well as many others. He also wrote the historical novel "Ein Plaffenfeben."[1]