Robert Browning was an English poet and playwright who lived during the Victorian era. He is known for his dramatic monologues, which are poems in which a single speaker reveals their thoughts and feelings. Browning's work often explores themes of love, morality, and the complexities of the human mind. Some of his most famous works include "My Last Duchess," "The Pied Piper of Hamelin," and "The Ring and the Book." Browning's poetry is celebrated for its rich language, psychological insight, and innovative use of form. He is considered one of the most important poets of the 19th century and has had a lasting influence on English literature.