Frege was the grandfather of analytical philosophy, Husserl the founder of the phenomenological school, two radically different philosophical movements. In 1903, say, how would they have appeared to any German student of philosophy who knew the work of both? Not, certainly, as two deeply opposed thinkers: rather as remarkably close in orientation, despite some divergence of interests. They may be compared with the Rhine and the Danube, which rise quite close to one another and for a time pursue roughly parallel (...) courses, only to diverge in utterly different directions and flow into different seas. Why, then, did this happen? What small ingredient into the thought of each was eventually magnified into so great an effect? (shrink)