Jamie Pope, a registered dietitian, teaches nutrition at the Vanderbilt University School of Nursing. She lives in Nashville, Tennessee. Martin Katahn, PhD (1928—2019), was professor of psychology emeritus at Vanderbilt University and director of the Vanderbilt University Weight Management Program. His #1 best-selling books include The Rotation Diet, The T-Factor Diet, and The Low-Fat Supermarket Shopper's Guide (with Jamie Pope).

Jamie Pope, a registered dietitian, teaches nutrition at the Vanderbilt University School of Nursing. She lives in Nashville, Tennessee. Martin Katahn, PhD (1928—2019), was professor of psychology emeritus at Vanderbilt University and director of the Vanderbilt University Weight Management Program. His #1 best-selling books include The Rotation Diet, The T-Factor Diet, and The Low-Fat Supermarket Shopper's Guide (with Jamie Pope).

Jamie Pope, a registered dietitian, teaches nutrition at the Vanderbilt University School of Nursing. She lives in Nashville, Tennessee. Martin Katahn, PhD (1928—2019), was professor of psychology emeritus at Vanderbilt University and director of the Vanderbilt University Weight Management Program. His #1 best-selling books include The Rotation Diet, The T-Factor Diet, and The Low-Fat Supermarket Shopper's Guide (with Jamie Pope).