Friedrich Wieck Friedrich Wieck Johann Gottlob Friedrich Wieck (18 August 1785 – 6 October 1873, aged 88) was a noted German piano teacher, voice teacher, owner of a piano store, and music reviewer. He is remembered as the teacher of his daughter, Clara, a child prodigy who was undertaking international concert tours by age eleven and who later married her father's pupil Robert Schumann, in defiance of her father's extreme objections. As Clara Schumann, she became one of the most famous pianists of her time. Another of Wieck's daughters, Marie Wieck, also had a career in music, although not nearly so illustrious
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