Sir Arthur Seymour Sullivan (1842–1900) was a distinguished English composer, known for his musical collaborations with the librettist W.S. Gilbert. Together, they formed one of the most famous partnerships in musical theatre, creating fourteen comic operas that have delighted audiences for over a century. Sullivan's compositions were marked by their charming melodic invention, skillful orchestration, and ability to enhance Gilbert's satirical wit and storytelling. The duo's efforts culminated in the creation of 'The Savoy Operas' during the Victorian era, providing light-hearted yet insightful commentary on the mores of the time. Sullivan's contribution to the partnership was instrumental in establishing his reputation, and his work continues to be performed widely across the globe. Among their most renowned works are 'The Pirates of Penzance,' 'H.M.S. Pinafore,' and 'The Mikado,' all of which appear in 'The Complete Plays of Gilbert and Sullivan.' Sullivan's legacy extends beyond his work with Gilbert, as he also composed a variety of hymns, ballets, orchestral music, and even a grand opera, 'Ivanhoe.' His influence on English music was significant, contributing greatly to the development of English comic opera and paving the way for future generations of composers.