A young activist and highly-educated Cambridge Union debater, Mill would become in time the highest-ranked English thinker of the nineteenth century, the author of the landmark essay On Liberty and one of the most passionate reformers and advocates of his revolutionary, opinionated age. As a journalist he fired off a weekly article on Irish land reform as the people of that nation starved, as an MP he introduced the first vote on women's suffrage, fought to preserve free-speech and opposed slave