1. Research Chemist, Biological Laboratory Technician, Research Nutritionist, and Biological Aid, respectively, Carbohydrate Nutrition Laboratory, Nutrition Institute, Science and Education Administration, United States Department of Agriculture, Agricultural Research Center-East, Beltsville, Maryland 20705.
2. Research Assistant, Department of Chemistry, University of Maryland.
3. Professor and Chairman, Department of Food, Nutrition, and Institution Administration, University of Maryland.