There are all kinds of games you can play with this List of Top 100 Public Intellectuals, including Watch People’s Heads Explode! As a guest here I believe myself entitled to say, really? No Timberites? Tchah.
The stated criteria: “Candidates must be living and still active in public life. They must have shown distinction in their particular field as well as an ability to influence wider debate, often far beyond the borders of their own country.” The large number of Iraq-war supporters would seem to suggest “influence … far beyond the borders of their own country” hugely outweighs “distinction in their particular field.”