On Emeritus Faculty Charles GeissAssociate Professor (Emeritus)Mathematical Economicsgeissc@missouri.edu Ron HarstadProfessor (Emeritus)Ron.Harstad@gmx.us Ronald A. RattiProfessor (Emeritus)rattir@missouri.eduWebsite Donald SchillingAssociate Professor (Emeritus)International Financeschillingd@missouri.edu Richard WallaceChancellor and Professor (Emeritus)Public Utility Regulation, Health Economicswallacer@missouri.edu