(William) Denis Johnston (June 18, 1901 - August 8, 1984) was an Irish writer. He wrote mostly plays, but also works of literary criticism, a book-length biographical essay of Jonathan Swift, a memoir and an eccentric work of philosophy. He also worked as a war correspondent, and as both a radio and TV producer for the British Broadcasting Corporation. His first play, The Old Lady Says No!, helped establish the worldwide reputation of the Dublin Gate Theatre; his second, The Moon in the Yellow River, has been performed around the globe in numerous productions featuring such actors as Jack Hawkins, Claude Rains and Errol Flynn, although not all in the same production
