No
John Landy is now 83 years old.
John Landis was born on August 3, 1950.
John Marsden is alive.
he is still alive
they sure are
Yes, I am. (only joking, I'm not John Surtees but he is still alive)
John Landis Mason died in 1902.
No.
No, John Morrison is still alive.
Yes, he is still alive
John Forbes Nash Jr is still alive to this date.
According to the beliefs of the LDS Church, John the Beloved is believed to still be alive.