Alexis Sigismund Weissenberg (26 July 1929 – 8 January 2012) was a Bulgarian-born French pianist. Born into a Jewish family in Sofia, Weissenberg began taking piano lessons at the age of three from Pancho Vladigerov, a Bulgarian composer. He gave his first public performance at the age of eight. In 1941, he and his mother tried to escape from German-occupied Bulgaria for Turkey, but were caught and imprisoned in a makeshift concentration