Sir William Schwenck Gilbert (18 November 1836 – 29 May 1911) was an English dramatist, librettist

Libretto

A libretto is the text used in an extended musical work such as an opera, operetta, masque, oratorio, cantata, or musical. The term "libretto" is also sometimes used to refer to the text of major liturgical works, such as mass, requiem, and sacred cantata, or even the story line of a...

, poet and illustrator best known for his fourteen comic opera

Comic opera

Comic opera denotes a sung dramatic work of a light or comic nature, usually with a happy ending.Forms of comic opera first developed in late 17th-century Italy. By the 1730s, a new operatic genre, opera buffa, emerged as an alternative to opera seria...

s produced in collaboration

Gilbert and Sullivan

Gilbert and Sullivan refers to the Victorian-era theatrical partnership of the librettist W. S. Gilbert and the composer Arthur Sullivan . The two men collaborated on fourteen comic operas between 1871 and 1896, of which H.M.S...

 with the composer Sir Arthur Sullivan

Arthur Sullivan

Sir Arthur Seymour Sullivan MVO was an English composer of Irish and Italian ancestry. He is best known for his series of 14 operatic collaborations with the dramatist W. S. Gilbert, including such enduring works as H.M.S. Pinafore, The Pirates of Penzance and The Mikado...

, of which the most famous include H.M.S. Pinafore

H.M.S. Pinafore

H.M.S. Pinafore; or, The Lass That Loved a Sailor is a comic opera in two acts, with music by Arthur Sullivan and a libretto by W. S. Gilbert. It opened at the Opera Comique in London, England, on 25 May 1878 and ran for 571 performances, which was the second-longest run of any musical...

, The Pirates of Penzance

The Pirates of Penzance

The Pirates of Penzance; or, The Slave of Duty is a comic opera in two acts, with music by Arthur Sullivan and libretto by W. S. Gilbert. The opera's official premiere was at the Fifth Avenue Theatre in New York City on 31 December 1879, where the show was well received by both audiences...

and one of the most frequently performed works in the history of musical theatre, The Mikado

The Mikado

The Mikado; or, The Town of Titipu is a comic opera in two acts, with music by Arthur Sullivan and libretto by W. S. Gilbert, their ninth of fourteen operatic collaborations...

. These, as well as most of their other Savoy opera

Savoy opera

The Savoy Operas denote a style of comic opera that developed in Victorian England in the late 19th century, with W. S. Gilbert and Arthur Sullivan as the original and most successful practitioners. The name is derived from the Savoy Theatre, which impresario Richard D'Oyly Carte built to house...

s, continue to be performed regularly throughout the English-speaking world and beyond by opera companies, repertory companies, schools and community theatre groups.