Ghah! What a coincidence. I was just watching the "Cambridge spies" series a couple of minutes ago. It's supposed to be Trinity showed there, but Trinity wouldn't let them shoot there. I reckon it's Caius.
Anyway. A secretive society; the idea sounds kind of nice. But how they are portrayed on Wikipedia, they're just several weirdos that grouped together. I mean, 'whales'? Come on.