The China Study: Deluxe Revised and Expanded Edition: The Most Comprehensive Study of Nutrition Ever Conducted and Startling Implications for Diet, Weight Loss, and Long-Term Health About the Author For more than 40 years, T. Colin Campbell, PhD, has been at the forefront of nutrition research. His legacy, the China Study, is the most comprehensive study of health and nutrition ever conducted. Dr. Campbell is the Jacob Gould Schurman Professor Emeritus of Nutritional Biochemistry at Cornell University. He has received more than 70 grant years of peer-reviewed research funding and authored more than 300 research papers. The China Study was the culmination of a 20-year partnership of Cornell University, Oxford University and the Chinese Academy of Preventive Medicine. A 1999 graduate of Cornell University and recipient of a medical degree in 2010, Thomas M. Campbell II, MD, is a writer, actor and five-time marathon runner.