Lech Walesa, for one, is a Polish politician and former trade union and human rights activist who served as the first democratically elected President of Poland from 1990 to 1995. He is best known for leading the Solidarity movement, which helped to bring an end to communist rule in Poland and eventually in other parts of Eastern Europe. He was awarded the Nobel Peace Prize in 1983 for his efforts in promoting peace and democracy in Poland. The crossword solution for Lech Walesa, for one, is POLESTAR, an 8-letter word.