Animal rights the interests of the worse off more important than those of the better off. Another approach, virtue ethics, holds that in considering how to act we should consider the character of the actor, and what kind of moral agents we should be. Rosalind Hursthouse has suggested an approach to animal rights based on virtue ethics. Mark Rowlands has proposed a contractarian approach. Nussbaum (2004) writes that utilitarianism, starting with Jeremy Bentham and John Stuart Mill, has contributed more to the recognition of the moral status of animals than any other ethical theory. The utilitarian philosopher most associated with animal rights
Jeremy Bentham influence on later generations of thinkers. Twentieth-century French philosopher Michel Foucault argued that the Panopticon was paradigmatic of several 19th-century "disciplinary" institutions. Bentham became convinced that his plans for the Panopticon had been thwarted by the King and an aristocratic elite acting in their own interests. It was largely because of his brooding sense of injustice that he developed his ideas of "sinister interest" – that is, of the vested interests of the powerful conspiring against a wider public interest – which underpinned many of his broader arguments for reform. More successful was his cooperation with Patrick Colquhoun in tackling