Mathematician:Adriaan Metius

Mathematician
Dutch geometer and astronomer.

Best known now for his approximation $\dfrac {355} {113}$ for $\pi$ (pi), known to the Chinese and Arabic mathematical traditions centuries earlier.

Nationality
Dutch

History

 * Born: 9 December 1571 in Alkmaar
 * Died: 6 September 1635 in Franeker

Theorems

 * Metius' Number, also known as the Zu Chongzhi Fraction

Publications

 * 1611: Arithmeticæ et Geometriæ Practica
 * Institutiones Astronomicae Geographicae
 * 1640: Arithmeticæ libri duo: et geometriæ libri VI

Also known as
Adriaan Metius was born Adriaan Adriaanszoon, the surname being a patronym.

The name Metius derives from the Dutch word meten (meaning measuring), and therefore means something like measurer or surveyor.

Some sources give his first name as Adriaen.