an Entity references as follows:
Theobald Böhm (or Boehm) (April 9, 1794 – November 25, 1881) was a German inventor and musician, who perfected the modern Western concert flute and its improved fingering system (now known as the "Boehm system"). He was a Bavarian court musician, a virtuoso flautist, and a celebrated composer for the flute.