child prodigy
infant prodigy
wonder child

He studied in Rome under his father, Pietro, and soon proved a precocious infant prodigy.

In another family he would certainly have been encouraged and would have blossomed forth as an infant prodigy.

Even before leaving Christiania, her progress on the piano had been such that she had appeared as an infant prodigy.

Why, when I stop to think of it, I am a young fellow, a child, an infant prodigy.

Both sound like infant prodigies, but they hadn't yet begun to speak.

He was born at Santander where he showed that he was an infant prodigy.

Probably there is no record of an infant prodigy more extraordinary than that which these letters contain.

He must share the infant prodigy he had discovered.

I'd be an infant prodigy in maths, if I were an infant.

In his early days he had been almost an infant prodigy and, at fourteen, had majored in cybernetics.