The Nobel Prize is never awarded posthumously and it often takes deacdes for a discovery to achieve wide enough acceptance to be awarded the prize, so it's never going to be awarded to someone who does their prize-winning work late in life and doesn't live long enough for it to be accepted.
Slashdot Mirror
You can access that site without paying by going to google's cached version of the page (cached link is in the google preview on the right).
The Nobel Prize is never awarded posthumously and it often takes deacdes for a discovery to achieve wide enough acceptance to be awarded the prize, so it's never going to be awarded to someone who does their prize-winning work late in life and doesn't live long enough for it to be accepted.