The 12th Emperor of Russia, known as Alexander the Liberator for abolishing serfdom in 1861

Swiss philosopher, poet, and diarist known for his introspective 'Journal Intime' and moral philosophy

American outlaw and gunfighter of the Old West known for his involvement in the Lincoln County War and links to multiple murders

The 20th president of the United States, serving in 1881, who was also a writer, lawyer, and Civil War general