Adelle Davis was a renowned nutrition author who wrote several books on nutrition and health. She is best known for her book 'LET's Eat Right to Keep Fit' which was published in 1954 and became a bestseller. Her other works include 'The Miracle of Fasting' and 'LET's Have Healthy Children'. She was an advocate for healthy eating and promoted the idea that food should be eaten in its natural state. She also believed in the importance of vitamins and minerals in the diet. Her work has had a lasting impact on the field of nutrition and she is still considered one of the most influential nutrition authors of all time.