Italian prince who reigned as King of Spain from 1870 to 1873, the only Spanish monarch from the House of Savoy

Dutch Post-Impressionist painter known for his bold colors, dramatic brushwork, and influential contributions to modern art

Swiss poet, writer, novelist, and chancery manager known for his literary realism in works like <i>Green Henry</i> and <i>Seldwyla Folks</i>

British explorer, army officer, writer, and scholar famed for his wide-ranging travels in Asia, Africa, and South America, and his mastery of up to 29 languages