A dramatist of the highest order, Glasworthy took up pressing social issues in his plays some of which include The Silver Box (1906), Strife (1909), Justice (1910) and Loyalties (1922). Justice was by far his most important play whose influence can be gauged by the fact that it lead to a Prison Reform in England.
Glasworthy won the 1932 Nobel Prize in Literature. He died on 31st January 1933.