In 1823, this man was spent two days in jail for distributing a pamphlet advocating for the legal use of contraceptives by married women. He was a great friend of Thomas Carlyle, even after his housemaid burned the only manuscript of Carlyle's book on the French Revolution. His wife Harriet Taylor is credited with co-authoring his 1869 treatise arguing for the legal and intellectual equality of half the population, The Subjection of Women. That book utilizes the philosophy of his mentor, Jeremy 
In 1823, this man was spent two days in jail for distributing a pamphlet advocating for the legal use of contraceptives by married women. He was a great friend of Thomas Carlyle, even after his housemaid burned the only manuscript of Carlyle's book on the French Revolution. His wife Harriet Taylor is credited with co-authoring his 1869 treatise arguing for the legal and intellectual equality of half the population, The Subjection of Women. That book utilizes the philosophy of his mentor, Jeremy Bentham, as did his book Utilitarianism. For 10 points, name this British utilitarian author of On Liberty.
In 1823, this man was spent two days in jail for distributing a pamphlet advocating for the legal use of contraceptives by married women.
John Stuart {Mill}