Dr. David L. May, of Oklahoma City, OK, passed away peacefully in his sleep on Saturday, March 21, 2015, after a gradual progressive decline from frontotemporal degeneration. David was a loving husband to Nancy and a devoted father to son and daughter Corey and Ellie, and a proud grandfather to Grace, Bonnie, Noelle, Coltrane and Emmett, all of Atlanta, GA. He is also survived by twin sister Carol Hopkins of Oxford, MS and brother Dr. Kim May of Charleston, SC, and was preceded in death by his parents, Melvin and Bonnie May of Arlington, TX. David attended Putnam City High School in Oklahoma City and graduated in 1969 from Arlington High School, Arlington, Texas. He spent time in the Army Reserves as a helicopter repairman and then went on to graduate with his BBA in Finance in 1974 from the University of Oklahoma. After a successful career in the oil business, he returned to school, graduating in 1996 with his PhD in Economics from Florida State University. He then returned to Oklahoma, becoming Professor of Economics at Oklahoma City University and serving as the Chair of the Department of Economics and Finance and the Henry J. Freede, M.D., Endowed Chair in Teaching Excellence. David was an avid golfer and hunter and enjoyed teaching abroad in England and China. He was a superb teacher, receiving numerous awards in teaching excellence. He will forever be cherished, treasured, and greatly missed by his family and many friends. A celebration of David's life will be held Friday, April 24, 2015 at St Luke's United Methodist Church in Oklahoma City at 11 AM. In lieu of flowers, the family requests donations be made to the Association for Frontotemporal Degeneration at its website, www.theaftd.org, and select "Donate Now."