Robert Atkins
Doctor
Cardiologist who became their for creating the Atkins Diet, which he first promoted on The Tonight Show in 1965. His diet emphasized protein and fat over carbohydrates.
He worked in multiple positions, from selling shoes to working on the radio before deciding to pursue medicine and enrolling at Cornell University Medical College.
His diet plan had many critics who believed that those who followed the diet were not eating a balanced diet and when he died of a heart attack it led many of his critics to point to this as proof of the dangers of consuming high levels of saturated fat associated with his diet.
He got married to his wife Veronica at age 56.
Jennifer Aniston was once on one of his diets.