Dr. med. Edmund Schmidt has been working as a general practitioner and specialist for vital substance therapy along with his wife in private practice in Ottobrunn since 1996. Together with his wife Dr. Schmidt has published several books on the topic of vital substances.
Nathalie Schmidt works in the field of counseling, coaching, and energy work. She also works as a Reiki therapist. Together with her husband she has been intensely engaged with the vital substances since 1998. In addition to co-authoring books on vital substances and water, she has published several books on the subject of life aid as a sole author.