But no matter how many times we re-rank the presidents, in another 200 years, the top presidents will still be Washington and Lincoln and Jefferson, because they defined what a president is. They are the idea, and you can't be better than the idea.
Autism reaches out in many different directions. It can be associated with language delays. It can be associated with epilepsy. It can be associated with some degree of intellectual disability, but the two core features of autism, I see, is impairments and social cognition, understanding and in restricted interests and repetitive behaviors.