 He graduated from the college in 1942 and, after serving in the US Army in Europe during the Second World War, where he was also the editor of the army's "Stars and Stripes" newspaper, he returned to New York to attend the Columbia Journalism School.Green wrote many novels, the best known being "The Last Angry Man", published in 1956.It was adapted into a movie by the same name which was nominated for Academy Awards for Best Actor in a Leading Role (Paul Muni) and Best Art Direction-Set Decoration, Black-and-White.