Wales itssef has some home grown political icons but were were amazed to see how many leaders around the world have Welsh roots. The American Declaration of Independance alone has signiories who not only had Welsh ancestry but spoke Welsh too. Most people in the UK know of Aneurin Bevan but our list also includes very influential thinkers and leaders like Hilary Clinton, Jonathan Roberts, Llewellyn Thompson, Samuel Griffith, Thomas Jefferson and more!