Jennifer Craig trained at Leeds General Infirmary and rose to become Ward Sister. She emigrated to Canada in 1961, where she married and had two children. Later she studied for a Bachelor's degree in nursing, followed by a Masters degree in education and finally a ph.D. Ten years as an educational consultant in a medical school preceded semi-retirement when she become a student of homeopathy and obtained her diploma. She now lives in the mountains of British Columbia with a dog and cat. She is also the author of Jacbs, Jenner and Juggernauts, a look at vaccination from 1746 to the present day, which might be particularly useful to parents who are facing the decision of whether to vaccinate their children.