[4] Writer/filmmaker Barry Morrow, portrayed in the film by Dennis Quaid, based the story on his life experiences with Sackter, and later became his legal guardian.

Sackter, who did not have autism, would also serve as a partial inspiration for the character of Raymond Babbitt in Morrow's early draft screenplay for the 1988 film Rain Man.

He ventures out into the world for the first time after spending most of his life at Grandville, a dreary inner city institution in Minneapolis, Minnesota, since age seven (when his mother sent him there).

Bill is taken in by a kind family and learns what it means to love for the first time in his life.

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