Willy Hess
1906–1997 (age 91)
Biography
Willy Hess (12 October 1906 – 9 May 1997) was a Swiss musicologist, composer, and famous Beethoven scholar. He achieved fame after compiling and publishing a catalogue of works of Beethoven that were not listed in the "complete" edition. He orchestrated the Piano Concerto No. 0, in E-flat from a piano score.