Hans von Bülow (1830-1894) was a German conductor, virtuoso pianist, and composer of the Romantic era. He was one of the most famous conductors of the 19th century, and his activity was critical for establishing the successes of several major composers of the time, including Richard Wagner.
Hans von Bülow's Letters to Johannes Brahms: A Research Edition
Hans von Bülow's Piano Wire: Hans von Bülow was a brilliant conductor, but notoriously tactless. Whatever he thought or felt would flow out of him in an unstoppable torrent, resulting in many of his instruments becoming superconductors for all types of physical energy and emotional vibrations. This Piano Wire is capable of perfect conductivity of any sound or current that passes through it.
1857 Hans von Bülow, later first chief conductor of the Berlin Philharmonic, premiered Franz Liszt's B-minor Piano Sonata in Berlin on a Carl Bechstein grand piano. http://bechstein.com/en/bechstein-the-legend/our-tradition.html