Savant

The term "autistic savant" is used to describe a person who is autistic and is extremely talented in one or more specialized fields.

Tom is an autistic savant.

His conversation, I remember, was about the Bertillon system of measurements, and he expressed his enthusiastic admiration of the French savant.

Does it follow that I reject all authority? Far from me such a thought. In the matter of boots, I refer to the authority of the bootmaker; concerning houses, canals, or railroads, I consult that of the architect or engineer. For such or such special knowledge I apply to such or such a savant. But I allow neither the bootmaker nor the architect nor the savant to impose his authority upon me. I listen to them freely and with all the respect merited by their intelligence, their character, their knowledge, reserving always my incontestable right of criticism and censure.

There are no objectively definitive statistics about how many people have savant skills.