Guy Richard Godfrey Mackarness (17 August 1916 – 18 March 1996)[1] was a British psychiatrist and low-carbohydrate diet writer. He is best known for his book Eat Fat and Grow Slim, published in 1958.[2] Mackarness was an early advocate of the Paleolithic diet and authored books on food allergies.[1][3]
^Smith, Matthew. (2015). Another Person’s Poison: A History of Food Allergy. Columbia University Press. p. 117. ISBN978-0-231-16484-9 "Mackarness, who founded the first British National Health Service clinical ecology clinic in Basingstoke, pioneered the so-called Stone Age Diet, in the belief that humans had not evolved to consume foods, including wheat and milk, developed since Paleolithic times (in fact, today's weight-reduction version of Mackarness's Stone Age diet is called the "Paleo diet")."