We read in the "Natural History" of Pliny that in Salamis, Euthimedes had a son who grew to 3 Roman cubits (4 1/2 feet) in three years; he was said to have little wit, a dull mind, and a slow and heavy gait; his voice was manly, and he died at three of general debility.

Phlegon says that Craterus, the brother of King Antigonus, was an infant, a young man, a mature man, an old man, and married and begot children all in the space of seven years.

It is said that King Louis II of Hungary was born so long before his time that he had no skin; in his second year he was crowned, in his tenth year he succeeded, in his fourteenth year he had a complete beard, in his fifteenth he was married, in his eighteenth he had gray hair, and in his twentieth he died.

Rhodiginus speaks of a boy who when he was ten years impregnated a female.

In 1741 there was a boy born at Willingham, near Cambridge, who had the external marks of puberty at twelve months, and at the time of his death at five years he had the appearance of an old man.