Who is the author of the book 'The theory of legislation' ?

The Theory of Legislation is a work of Jeremy Bentham, the founder of English utilitarianism; it was edited and translated from Étienne Dumont's French version of Bentham's manuscripts. It explains legislation on the principle of utility, "the greatest happiness of the greatest number".

Julius Stone wrote The Province and Function of Law, John Rawls A Theory of Justice, and H.L.A. Hart The Concept of Law.