John Lennon is dead. Paul Macartney is alive.
Eric Morecambe is dead. Ernie Wise is alive.
Jim Morrison is dead. The rest of the Doors are alive.
John F Kennedy is dead. Edward Kennedy is alive.
Tony Hancock is dead. Ken Dodd is alive.
Janis Joplin is dead. Cilla Black is alive.
Is it just me, or is there some sort of pattern here?