As the gym leader, Giovanni is supposed to be the eighth of them. So you have to beat the other seven before you can get to him.
team rocket boss
Giovanni
nowhere
Viridian City.
You use it on the lift (1st Floor) to get access to Giovanni. This is your first battle with Giovanni.
I believe you can get it after fighting Giovanni for the last time.
You have to beat Giovanni in the Celadon City Gym.
Rhydon Persian kangaskan And 1 other pokemon that I'm not sure of good luck
Giovanni is the leader of team rocket and the 8th gym leader in fire red and leaf green.
hes in the underground base where the slot machines are .there will be one of his grunts up against the wall speak to him
You need a Silph Scope.You get from boss Giovanni in Celadon City.
Veridian city the gym leader id Giovanni