Jean-Anthelme Brillat-Savarin (1755–1826), French jurist, gastronome. La Physiologie du Goût, introduction, aph. 4 (1826).
Brillat-Savarin's aphorism was echoed by the philosopher Ludwig Feurerbach, quoted in 1850: "Man is what he eats"Mitself probably the precursor of the expression, "You are what you eat."