If you just used the 50/50 method (which was only proven for 105-110), then you'd expect 2 of today's 105 year olds to make it to 122. But, Jeanne died some 20

If you just used the 50/50 method (which was only proven for 105-110), then you'd expect 2 of today's 105 year olds to make it to 122. But, Jeanne died some 20 years ago, when medicine wasn't where it is today, and she was humorously 105 in 1980!