One of this author's characters recites the Lord's Prayer with every noun replaced by the word nada. Another character asks "the American" to "please 
One of this author's characters recites the Lord's Prayer with every noun replaced by the word nada. Another character asks "the American" to "please please please please please stop talking," in an argument about abortion.  This author of "A Clean Well-Lighted Place" wrote a novel in which the protagonist escapes "battle police" after surviving the Battle of Caporetto. That work ends with Catherine Barkley dying in childbirth and her lover Frederic Henry walking out into the rain. This man also wrote of Santiago catching a giant marlin that gets eaten by sharks.  For 10 points, name this author of "Hills Like White Elephants," A Farewell to Arms, and The Old Man and the Sea.
One of this author's characters recites the Lord's Prayer with every noun replaced by the word nada.
Ernest (Miller) Hemingway