This document profiles four famous historical figures: Madonna, Isabel Allende, Leonardo da Vinci, and Mozart. It provides basic biographical details for each person such as their birthplace and date, parents' names, marital status and children, occupation, hobbies, and date of death. Key facts include that Madonna was born in 1958 in Michigan and is a singer, Isabel Allende was born in Peru in 1942 and is a novelist, Leonardo da Vinci was born in Italy in 1452 and was a painter and scientist, and Mozart was born in 1756 in Salzburg and was a composer.