Ronald Inglehart is Professor of Political Science and Program Director at the Institute for Social Research at the University of Michigan. He has previously collaborated with Pippa Norris on Rising Tide: Gender Equality and Cultural Change Around the World (Cambridge, 2003) and is the author of many publications including Modernization and Postmodernization (1997), Modernization, Cultural Change and Democracy (Cambridge, 2005, with Christian Welzel) and Cultural Evolution (Cambridge, 2018).