Emil Zatopek was a Czech runner who won four Olympic gold medals in 1952. He was known for his unique running style and is considered one of the greatest runners of all time. Vaclav Havel was a Czech politician and writer who served as the last president of Czechoslovakia from 1989 to 1992 and the first president of the Czech Republic from 1993 to 2003. He was a leader of the Velvet Revolution that ended communist rule in Czechoslovakia. The Slavs are an ethnic group native to Central and Eastern Europe, and the Oder is a river that forms part of the border between Germany and Poland. Together, these four solutions form the term 'Czech Runner, ' which refers to Emil Zatopek, a Czech runner who achieved great success in the sport.