The late Stephen A. Ross was the Franco Modigliani Professor of Finance and Economics at the Sloan School of Management, Massachusetts Institute of Technology. One of the most widely published authors in finance and economics, Professor Ross was known for his work in developing the Arbitrage Pricing Theory as well as his substantial contributions to the discipline through his research on signaling, agency theory, option pricing, and the theory of the term structure of interest rates, among other topics. A past president of the American Finance Association, he also served as an associate editor of various academic and practitioner journals. He was a trustee of CalTech.