Tadeusz Mazowiecki (IPA: [taˈdɛ.uʂ mazɔˈvjɛtskʲi] (listen); 18 April 1927 – 28 October 2013) was a Polish author, journalist, philanthropist and Christian-democratic politician, formerly one of the leaders of the Solidarity movement, and the first non-communist Polish prime minister since 1946.