Friedrich Wieck practice, however, he might not always have lived up to the ideals he described in the book "Piano and Song: How to Teach, How To Learn, and How to Form a Judgment of Musical Performances." When Robert Schumann was living and studying in the Wieck household, he reported seeing Wieck punishing his nine-year-old son, Alwyn, for playing the violin poorly, tearing at his hair and yelling, "You wretch, you scoundrel, is this the way you try to please your father?" Clara seemed unconcerned at the violent scene. Shocked, Schumann wrote in his diary, "Am I among human beings?" Besides the
Hans-Georg Wieck at the North Atlantic Council (NATO). He served at the Ministry of Defence inter alia as head of the Policy Planning Staff and became president of the BND from 1985 to 1990. After his retirement from government service he was head of the OSCE Advisory and Monitoring Group in Minsk, Belarus from 1998 to 2001. From 1996 to September 2008 he was Chairman of the German - Indian Society. Currently Wieck is advisor to the Gesprächskreis Nachrichtendienste in Deutschland e.V. (GKND), a discussion group about intelligence services in Germany founded by his former colleague Wolbert Klaus Smidt in close cooperation