Alphonse Marie Louis de Prat de Lamartine was a French writer, poet, and politician. He is best known for his poetry, particularly his lyrical and emotional style. Lamartine was also involved in politics and served as a member of the French National Assembly. He was a prominent figure in the Romantic literary movement and his works often explored themes of love, nature, and spirituality. Lamartine's influence extended beyond literature, as he played a role in shaping the political landscape of France during the 19th century.