Professor Nigel Biggar knows about controversy. Colonialism: A Moral Reckoning critiques the British Empire for its impact on slavery, displacement and racial prejudice but also asks difficult questions about the process of colonialism and its legacies. His analysis was both praised and challenged, provoking public and academic debate. Nonetheless, Professor Biggar boldly questions prevailing ideologies on empire. Nigel Biggar is a theologian and ethicist and was previously Regius Professor of Moral and Pastoral Theology at Oxford University.