RPM. I have one such student in my class this year and refer to him as "the letter board kid" in casual conversations with my friends. He's brilliant — but different, of course.
I have long stated that my personal hero is Annie Sullivan, so it doesn't surprise those who know me that I like to work with those who have learning differences. Indeed, over the years I have found that those who are different bring something new to the table and often have unique insights.
Please watch the following short video, which clearly shows that not all with autism are hopeless cases:
Ah, the mysterious human brain!