Lulu Hunt Peters

Born in 1873, she was an American doctor and writer who became famous for explaining nutrition and weight loss in a way ordinary readers could easily follow. She wrote a newspaper column called Diet and Health and later expanded those ideas into Diet & Health: With Key to the Calories, a book that reached a wide audience.

She is often remembered as an early popularizer of calorie counting in the United States. Her work mixed medical guidance, self-help, and a lively conversational style, which helped her stand out in an era when health writing was becoming part of everyday mass culture.

Though some of her ideas reflect the attitudes of her time, her influence on popular diet writing was lasting. She died in 1930, but she remains a notable figure in the history of nutrition publishing and women's nonfiction.