Thomas Harding is the author of 'Hanns and Rudolf' and 'The House by the Lake' (Penguin Random House) His new book 'White Debt: the Demerara Uprising and Britain's Legacy of Slavery is published by Weidenfeld and Nicolson
When he discovered his forebears had profited from slavery in the 19th century, Thomas Harding wanted to make amends. But others disagreed
By Thomas Harding