Well, actually, Ringo was - WATER - he is CANCER
This is a cardinal=radical sign, considered to be female, sensitive, reserved, a strategically thinking leader.
George - WATER - he is PISCES
This is a mobile=lively sign, considered to be female, sensitive, reserved, a strategically thinking interlocutor.
Paul - AIR - he is GEMINI
This is a mobile=lively sign, considered to be male, thinking, energetic, active, an idealistic interlocutor.
John - AIR - he is LIBRA
This is a cardinal=radical sign, considered to be male, thinking, energetic, active, an idealistic leader.
this is what they are and if you give it a thought you will agree with the definitions.