Tunisia

French microbiologist who identified lice as the transmitter of epidemic typhus, earning him the Nobel Prize in Medicine in 1928

King of France from 1226 to 1270, renowned as Saint Louis and the most distinguished of the Direct Capetians

Italian politician who served as the 45th Prime Minister of Italy from 1983 to 1987 and leader of the Italian Socialist Party

Togolese military officer and politician who served as President of Togo from 1967 to 2005, becoming Africa's longest-serving head of state