John Yudkin (8 August 1910 - 12 July 1995) was a British physiologist and scientist,
whose books include The Slimming Business, Eat Well, Slim Well and The Nutrition
Business. He became internationally famous with his book Pure, White and Deadly,
first published in 1972, and was one of the first scientists to claim that sugar was a major
cause of obesity and heart disease.