Oscar Hammerstein II, born Oscar Greeley Clendenning Hammerstein II, has been a screenwriter, US producer, and director of musicals for nearly 40 years. He was twice awarded the Oscar for Best Original Song. Received the Pulitzer Prize for Theater in 1950.
They were very popular because people really believed in these advice. But all of their songs were very appealing too, people liked to believe in the advice and the songs were very good for the people in that time when they thought that the advice were good for them.