French philosopher, politician, and economist widely regarded as the "father of anarchism" and founder of mutualist philosophy

American lawyer, politician, and 16th President of the United States who led the nation through the Civil War and played a major role in the abolition of slavery

Hungarian physician who pioneered antiseptic hand washing procedures and reduced maternal mortality from childbed fever by requiring healthcare workers to disinfect their hands

German prince, military personnel, and politician who became the first King of the Belgians, reigning from 1831 to 1865