Among her achievements in other fields was her widely esteemed biography of the Labour Party's founder, Keir Hardie.

BBC: Caroline Benn dies

Keir Hardie may have liked Mr Blair, but he was not like him, and would have found him difficult to understand.

ECONOMIST: They will follow him anywhere

The Valuation Rolls show that The Right Honourable Arthur James Balfour of Whittinghame owned 235 properties in Scotland, in East Lothian and Berwickshire, while Keir Hardie owned just one property at Holmhead, in the parish of Old Cumnock.

BBC: AJ Balfour