The home of Lord Armstrong at Cragside was also among the first houses to be lit by electricity.

Lord Armstrong's generosity extended beyond his death.

The chairman of the trustees of the V. and A. is Lord Armstrong, who was formerly head of the British civil service.

Lord Armstrong is chairman of the Sir Edward Heath Charitable Foundation.

In about 1857 Lord Armstrong, a wealthy industrialist, bought the property.

In 1887 Lord Armstrong partially restored the castle in order to prevent its complete disintegration.

In 1900 he succeeded to the vast fortune of his great-uncle, Lord Armstrong.

Lord Armstrong was married three times.

Lord Armstrong died in October 1941, aged 78, and was succeeded in the barony by his only son, William.

An Oxford rugby blue and a keen cyclist, he is a more outgoing figure than his predecessor as Cabinet Secretary, Lord Armstrong.