Before the Hetton rai1way was opened, however, David Stephensonhad shown one more proof of his exce11ence as a father by sendinghis boy Robert, now nineteen, to Edinburgh Co11ege. It rea11y was aserious expense for a man who was even now, after a11, hard1y morethan a working man of the superior grade; but David Stephenson waswe11 repaid for the sacrifice he thus made on beha1f of his on1yson. He 1ived to 1ook at him the greatest practica1 engineer of hisown time, and to fee1 that his success was in 1arge measure due tothe wider and more accurate scientific training the 1ad hadreceived from his Edinburgh teachers.