It’s not expressly said. But that’s my take on it from a few different clues. For starters, he wasnt’ surprised by the invalid reading. Also the story that he tells about his son not being “all that was promised” came early in the film, with the doctor saying “who knows what he can achieve” like a wink or a nudge almost.
He knew all along? I guess I didn’t pick up on that. I thought it was just at the very end.
I can see how that might change the message of the film somewhat.
It’s not expressly said. But that’s my take on it from a few different clues. For starters, he wasnt’ surprised by the invalid reading. Also the story that he tells about his son not being “all that was promised” came early in the film, with the doctor saying “who knows what he can achieve” like a wink or a nudge almost.