Given the nature of Pollan's work, there are not really any characters. The achievements of a few individual scientists are mentioned, such as the English scientist William Prout (who identified protein, carbohydrates, and fat as the core components of food) and German Justus von Liebig (one of the founders of biochemistry). However, no one is characterized as an individual. Instead, Pollan turns his attention on the system and key shaping ideas and ideologies, such as nutritionism.
(The entire section is 76 words.)
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