Factual error: The view from the aircraft Jane is flown home from France in shows the modified double engine pod of the 747 famously at Dunsfold Airfield, Surrey. Also a late livery grey RAF VC-10 parked in the distance. Also the engines of the plane she is in are upgrades and not right for the year it is supposed to be happening. (01:23:20)
Factual error: When Jane, Jonathan and the children are driving from Cambridge to Bordeaux, they pass some impressive mountains. There are no mountains on the route they would have followed, or anywhere near it.





Chosen answer: Throughout his existence, prognoses of the life expectancy for Dr. Stephen Hawking have been repeatedly offered and then surpassed. He continues to amaze with not only his brilliance, but his resilience. In this case it sounds like a callback to the initial estimate, which was demonstrably inaccurate.
Michael Albert