First and only... Alain Prost with 51 wins.
there is no maximum they can weigh whatever they like, but in total the car and driver at the end have to weight a minimum of 600kg.
If two drivers are in tie , then the driver with maximum Podiums ( Ist place ) Wins. If both have the same P1 win then it goes to most P2 and P3 and so on.
The richest Formula 1 driver is Michael Schumacher. He has about $450 million dollars.
An electronic measurement device, usually deployed at the fastest parts of the circuit, to indicate the (maximum) speed the driver is achieving.