Dr. Dik Warren Twedt was Professor of Marketing and Quantitative Management Science at the University of Missouri in St. Louis. He died in 1985 at the age of 64. He was a marketing researcher and a member of the American Marketing Association. He worked for Oscar Mayer & Company in Madison, Wisconsin in the 1960s. He was also a prolific editor of such survey proceedings as The 1958 Survey of Marketing Research.