“We do know he died. From something.”
You sure?
Might have been that one of his seers got a peek at the future with the IRS in it and ol’ Alex decided to get a head start on hiding... or... what do they call it? Drop off the grid? Yeah. I think that’s it.
head start on hiding-drop off the grid
Could be- however if so he missed the boat entirely- think of the gazillions he could make if he sold his solution/potion or whatever he had- to live so long.