Many scholars use a model of American exceptionalism developed by Harvard political scientist Louis Hartz. She is married to the political scientist Herman Ruether. Allen is the daughter of political scientist William B. Allen. Beard had parallel careers as an historian and political scientist. The figure of 750,000 is suggested by political scientist Adam Jones. A similar view is shared by political scientist Mattia Zulianello. Finer was born in Stoke-on-Trent, England, the son of political scientist Samuel Finer. Its founders were the Italian journalist Roberto Savio and Argentine political scientist Pablo Piacentini. As a term, it was introduced by political scientist Stephen Skowronek. His economist mother Barbara Ann Posey and political scientist father Mack are professors and activists. Frederick Ridley, a political scientist, is more equivocal. Zoya Hasan is an Indian academic and political scientist. Political scientist Hall Gardner has challenged elements of the Westphalian sovereignty. The Professorship of Internet Studies is currently held by political scientist Philip N. Howard. Parker's argument has been criticized by Cambridge University political scientist Jason Sharman.