I can't remember a time when I didn't want to be a doctor. The doctors I knew as a very young child must have helped to plant the desire in me, when I was as young as five or six. One homeopathic physician, Dr. Justice Gage Wright, was a great model.
Koop: the memoirs of America's family doctor (ed. Zondervan Publishing Company, 1991) - ISBN: 9780310597728