You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: LITERATURE 
Clue: Northumbria in the "Age of Bede" or Mercia in Offa's reign are guesses as to where & when this work was created
beowulf

Category: AMERICAN AUTHORS 
Clue: In 1900 the Atlantic Monthly published his story "An Odyssey of the North", his literary breakthrough
jack london

Category: AWARD-WINNING AUTHORS 
Clue: The only Oscar winner also to win a Nobel Prize, this European won a 1938 Oscar for adapting his own play

george bernard shaw