Daniel Tammet is the only name of the above to be both confirmed gay and an aspie. Most other cases are highly speculative.
One with perhaps the most compelling evidence would be the case of Ludwig Wittgenstein, 20th century Austrian philosopher who was certainly gay and likely on the autistic spectrum.
Interesting that both are considered to be extremely intelligent in the very specific field epistemology and the introspection of human thought.
I am actually writing a report on the link between these two concepts for my gay and lesbian studies class, focussing on both actually possible connections, such as Tammet and Wittgenstein; and media portrayals, such the two latest adaptations of Sir Arthur Conan Doyle's Shelock Holmes series.