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
Friedrich Wieck to spreading vicious rumours against the couple. He sent copies of his court documents to every city where Clara was planning to give concerts. When she traveled to Hamburg and Berlin to perform, he sent letters claiming that Clara's playing had declined. Striking an emotional blow against Clara, he began to promote the career of a rival female pianist, Camilla Pleyel. In July 1840, the court ruled against Wieck, and it gave consent to the marriage. Schumann then sued Wieck for slander and won. Wieck was forced to pay the couple a large sum, and he was sentenced to jail