Friedrich Kalkbrenner seriously intended to become Kalkbrenner's pupil, but he changed his mind after this encounter with the celebrated man: Clara Schumann, wife of composer Robert Schumann, and herself an eminent pianist and composer, spent several months in Paris during the year 1839. She met many of the Parisian pianists, Kalkbrenner among them. In a letter home to her father, piano pedagogue Friedrich Wieck, she wrote: German poet and satirist Heinrich Heine in his "Letters on Music from Paris (1840–47)" wrote with biting wit on musical life and musicians in the French capital. Kalkbrenner was the target of some of Heine’s more
Michael Wieck by others, and life became more and more difficult for them as the war dragged on. In late August 1944, Königsberg was repeatedly fire-bombed by the British Royal Air Force, and much of the city's center, including the medieval castle and the 14th century Königsberg Cathedral, was destroyed, gutted or heavily damaged. "The people of Königsberg shall never expunge these nights of terror from their memory," Wieck wrote. When the Red Army, after a bitterly fought siege lasting nearly three months, conquered Königsberg on April 9, 1945 – one month before the end of World War II – the city