Krzysztof Eugeniusz Penderecki (; 23 November 1933 – 29 March 2020) was a Polish composer and conductor. "The Guardian" called him Poland's greatest living composer in 2012. He was born in Dębica, Poland. His best known works are "Threnody to the Victims of Hiroshima", Symphony No. 3, his "St. Luke Passion", "Polish Requiem", "Anaklasis" and "Utrenja". 