Gilbert's legacy, aside from building the Garrick Theatre and writing the Savoy Operas and other works that are still being performed or in print nearly 150 years after their creation, is felt perhaps most strongly today through his influence on the American and British musical theatre. The innovations in content and form of the works that he and Sullivan developed, and in Gilbert's theories of acting and stage direction, directly influenced the development of the modern musical throughout the 20th century. Gilbert's lyrics employ punning, as well as complex internal and two and three-syllable rhyme schemes, and served as a model for such 20th century Broadway librettists and lyricists as P. G. Wodehouse, Cole Porter, Ira Gershwin, Lorenz Hart and Oscar Hammerstein II.