Dr. David Clark is an author and retired psychiatrist living in Barrie, Ontario, Canada.

He has written seven novels. The Canadian Army Trilogy consists of The Ridge, about the Normandy campaign in World War II; Lamone, about the Italian campaign; and Lucifer's Gate, about the battle of Passchendaele in the Great War. The fourth novel, North of the Tai, is a saga which courses through the Great War, the Second World War, and the Korean War. Afternoon of the Women is the story of a psychiatrist and the process of psychotherapy with four of his patients. The Red Dawn, is about the campaigns in the Niagara frontier in the War of 1812. His last historical novel, A Bastion of Empire, is about Fort St. Joseph in the northwest campaigns of the war of 1812.

Dr. Clark was born in North China in 1929. He obtained his BA degree from Oberlin College (Ohio), and his MD, CM degree from McGill University. After internship, he served as a medical officer in the Canadian Army; following which he entered general practice. He then took residency training in psychiatry at the University of Western Ontario, and obtained his Royal College certification in this specialty in 1966. He has practiced psychiatry in Barrie, Ontario, until his retirement in 2009.

The author is married with three sons and two granddaughters. Apart from writing novels, he has studied military history widely, collects military models, is a painter and an avid gardener.