Once he doesn’t have to sit still for photos, he immediately begins to play an original song called “Would You Be My Dad?” where he sings about learning how to tie a tie.

I even started to meditate - a miracle for a man who could rarely sit still for more than five minutes.

"Just being able to sit still for long enough in an exam... it's a real distraction when you're trying to perform at your best," she added.

But imaging black holes in polarized light isn't as easy as putting on a pair of polarized sunglasses, and this is particularly true of Sgr A*, which is changing so fast that it doesn't sit still for pictures.

And he’d already had to sit still for too much of the day.