
Civil engineer John Metcalf, also known as Blind Jack, was born on August 15, 1717. Blind from the age of six, he has a surprising legacy in pioneering modern road construction, along with John MacAdam and Thomas Telford.

Civil engineer John Metcalf, also known as Blind Jack, was born on August 15, 1717. Blind from the age of six, he has a surprising legacy in pioneering modern road construction, along with John MacAdam and Thomas Telford.