The story
After Merrill K. Bennett, in his 1941 paper, "International Contrasts in Food Consumption."
Etymology from Wiktionary, CC BY-SA 4.0.
Bennett's law
Today it means: An economic law observing that as incomes rise, people eat fewer calorie-dense starchy staple foods and more nutrient-dense meats, oils, sweeteners, fruits, and vegetables. Full definition →