Poul Anderson's The Man Who Came Early (http://en.wikipedia.org/wiki/The_Man_Who_Came_Early http://en.wikipedia.org/wiki/The_Man_Who_Came_Early) is a lovely, sh

Poul Anderson's The Man Who Came Early (http://en.wikipedia.org/wiki/The_Man_Who_Came_Early http://en.wikipedia.org/wiki/The_Man_Who_Came_Early) is a lovely, short exploration of this idea. Full text available at http://www.classicly.com/poul-william-anderson/the-man-who-came-early http://www.classicly.com/poul-william-anderson/the-man-who-c....