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- Charaka - is one of the founders of Ayurveda.
- Mantak Chia - claimed healer and author of books on "Taoist sexuality".
- Hulda Regehr Clark - wrote a series of books including The Cure for all Diseases, advocating extreme dietary practices and "zapping" of parasites.
- Dr. Deepak Chopra - Endocrinologist and Ayurvedic Medicine Practitioner, who writes popular books on health and spirituality.
- Nicholas Culpeper - an English physician, author of the early seventeenth century Culpeper's Herbal
Read more about this topic: List Of People In Alternative Medicine