I agree. By far my most favourite GP - on top of the base hammers they also provide the gold to pay for a large standing army, run Pacifism and afford to keep science at 100%. Followed by the GM for the gold and the extra food to run more specialists.In OCC games, where you tend to settle great people - Great Prophets with Angkor Wat are very strong.
But my vote is definately for the Scientist.
**snip**
Great Spies, in my opinion, are utterly pathetic. A waste of a Great Person, useful only for a Golden Age.
Neither are a few other people, then. Not playing the game exactly how you do is obviously very wrong.
Wow. Just Wow.
You're not doing it right.