Galsworthy, JohnGals‧wor‧thy, John /ˈɡɔːlzˌwɜːði $ -ˌwɜːr-/(1867–1933) a British writer of books and plays who won the Nobel Prize for Literature in 1932. He is best known for his series of novels called The Forsyte Saga, about a wealthy English family called the Forsytes.