John Stuart Mill?

Who was John Stuart Mill? 

He was the son of a great philosopher, James Mill. John Stuart was a British Humanist who lived from 1806-1873 and he developed the 'greatest happiness theory'. He believed that we should work towards the greatest good for all people and that we should cultivate self discipline, courage, conscience, unselfishnes, duty and cleanliness. He believed that there is a struggle between good and evil and believed we should treat others as we wish to be treated. He was a founder of the Unitarianism Church. He was an economist and philosopher of science and reputed to ‘everything’.