Nancy Herrick M.A, P.A., DH (hon) is a highly respected senior teacher, author, researcher and clinician. She has done extensive research with provings and has created 18 new homeopathic medicines, now in use all over the world. She co-founded Hahnemann Medical Clinic in 1985 and also the Hahnemann College of Homeopathy. She has authored two books, Animal Minds, Human Voices and Sacred Plants, Human Voices and has published numerous articles in every major professional homeopathic journal. She has recently published a book with her husband, Roger Morrison entitled: Miasms of the 21st Century”.