Answer:
The libretto/composer team of Rodgers & Hammerstein were famous for a number of successful American Broadway musicals.
Explanation:
After their independent and prominent careers, Richard Rodger (composer) and Oscar Hammerstein II (lyrics-dramatis) combined their work and became the most famous musical theatre writer duet from the 20ths century. Responsible for some of the greatest, most popular Broadway musicals such as: Oklahoma!, Carousel, The sound of Music, The King and I, and so many more.
Together they conformed the fruitful musical writing team known as Rodgers and Hammerstein. Most of their musicals were composed in what it is called the "golden age" in the 1940's and 1950's having remarkable success.
Many of their shows were and still are revived now days. Their writing has earned them many Tony Awards, Academy and Grammy awards as well as the Pulitzer.
Oklahoma! Was their first work together changing the theatre scene forever, as it was the first musical play combining Roger's musical comedy and Hammerstein' operetta.
They also dabbled in television writing with "Cinderella" in 1957, aired on CBS, which earned Julie Andrews an Emmy Award nomination based on her role performance. Some of their Broadway musicals hit the big screen becoming films like "The sound of Music" in 1965. This was the last play Rodgers and Hammerstein wrote together. It opened on Broadway in 1959 and Hammerstein past away in 1960. Rodgers continue writing for Broadway on his own winning some important prices as well and died in 1979.
Thanks to their work the musical theatre genre changed and started to focus on more mature, provoking themes integrating all aspects of the art forms: music, acting, singing and dancing.