There are many great partnerships in Grand Prix racing, some may be driver pairings, some may be technical, others less obvious (James Hunt & Murray Walker
I'll start with two words - Clark/Chapman
A great pairing, each feeding the genuis of the other. Each would have succeeded without the other, but together they were utterly brilliant.
Squillions of others, but you guys need some space to work with, so I stop there (for now