H. V. Knaggs M.R.C., L.R.C.P.
[1929 and 1952 member of the The National Anti-Vaccination League]
 SMALL-POX - A HEALING CRISIS & The Truth About Vaccination By H Valentine Knaggs.
1914 - The Truth about Vaccination. The nature and origin of vaccine lymph, and the teachings of the new bacteriology.
Wikipedia "He is reported as saying that during the last fifty years as a physician he never prescribed a single drug. He preferred raw foods to cooked ones, and plain water to milk and beverages such as tea and coffee. He was an advocate of exercise and shunned alcohol. There must have been something to Knaggs' theories on health, as he died at the age of 95."