yes, depending on where they are on the spectrum, Bill gates himself has aspergers syndrome (a form of autism)
of course its a big spectrum that is largely misunderstood, on one end some people cannot talk or dress themselves on the other end some people become maths genius's
essentially where ever they are on the spectrum they remain socially inept.
Chuck never speaks about himself in the 3rd person.
Actually I did know somebody who did talk in the 3rd person a lot, it was very strange, she would be sitting at home and would suddenly announce "Helen is going to the shops"