Ludwig van Beethoven
Regarding the instruments, that the composer was using throughout his life, there was a variety of pianos (fortepianos). After moving to Vienna, Beethoven purchased a piano from Streicher. As recalled by his student, Carl Czerny, he also had a Walter piano. Beethoven's last instrument was a fortepiano from a Viennese piano builder Conrad Graf. After the composer's death, it was sold to Wimmer family and now is displayed at the Beethovenhaus in Bonn.