He has an enormous brain and that comedian shouldn't make fun of him.
He is amazing to overcome the physical limitations he has. The equivalent of Einstein and has taken physics to a whole new level. I read his book "A brief history of time" but when it got to quantum mechanics it became bizarre - not saying untrue, but bizarre.
He is a physicist, as I sit here, he is a physicist. Look, the world is full of these kind of things - black holes, radiations...radiations.