Who is a Polish politician that was also famous for performing Piano Concerto No. 4 by Anton Rubinstein?
Ignacy Jan Paderewski Ignacy Jan Paderewski, GBE (] ; 18 November [O.S. 6 November] 1860  – 29 June 1941) was a Polish pianist and composer, politician and spokesman for Polish independence. He was a favorite of concert audiences around the world. His musical fame opened access to diplomacy and the media.
Jerzy Waldorff Jerzy Waldorff-Preyss of the Nabram coat of arms (4 May 1910 – 29 December 1999) was a Polish baron, an attorney by profession, a TV personality, writer, publicist, literary critic and a music aficionado. He wrote over 20 books, mostly on the subject of classical music and society, and was also named as an honorary citizen of both Warsaw and Słupsk. Waldorff had a relationship with the classical dancer Mieczysław Jankowski for 61 years.