William D GerdesWilliam D. Gerdes, Clarke University, has a PhD in economics and has lectured for more than 40 years. He is the past president of the Missouri Valley Economic Association, and was the recipient of Fulbright Fellowships for teaching and research at th University of Dar es Salaam (Tanzania) and the University of Malawi. His two years in Africa served as an inspiration to analyze money from a more global perspective. Read More Read Less