twentieth-century politics specialist Louis Hartz - American author of The Liberal Tradition in America Mary Hawkesworth - American political scientist and Distinguished Professor of Political Science and Women's and Gender Studies at Rutgers University Colin Hay - influential British political scientist Clarissa Rile Hayward - professor at Washington University in St. Louis studying the theory of political power and political identities Katharine Hayhoe - atmospheric scientist and professor of political science at Texas Tech University and director of the Climate Science Center Susan Hekman - professor of political science and director of the graduate humanities program at the University of Texas at Arlington (UTA) Marc Hetherington - author of Why Trust Matters; offered a new participation paradigm Christopher J. Hill - international relations scholar, Professor and Director of the Cambridge Centre of International Studies Roger Hilsman - aide to John F. Kennedy, Columbia University professor, and prolific author Nancy Hirschmann - Professor of Politics at the University of Pennsylvania working in the intersection of political theory and public policy Sara Hobolt - Danish political scientist who specialises in European politics and electoral behaviour Thomas Holbrook - public opinion and elections research, author Do Campaigns Matter? Christopher Hood - author of The Art of the State and A Government that Worked Better and Cost Less? Donald L. Horowitz - pioneered political science models for assessing ethnic conflict Mala Htun - studies women's rights and the politics of race and ethnicity in a comparative context Evelyne Huber - studies democracy and redistribution with a focus on Latin America Mark Huddleston - former President of Ohio Wesleyan University and President of the University of New Hampshire Samuel P. Huntington - author of Clash of Civilizations and The Third Wave: Democratization in the Late Twentieth Century; comparativist I Kancha Ilaiah - Dalit scholar and social scientist Ronald Inglehart - professor at the University of Michigan; founder of the World Values Survey Shanto Iyengar - American political scientist J David J. Jackson - Entertainment/celebrity and politics expert Lawrence R. Jacobs - American political scientist and founder and director of the Center for the Study of Politics and Governance at the University of Minnesota Gary Jacobson - Constitutional law expert Ashley E. Jardina - American political scientist and assistant professor of political science at Duke University Hakeem Jefferson Attahiru Jega - Nigerian political scientists specialised in political development. former INEC chairman and also Former vice Chancellor