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- Samuel Hahnemann - founded homeopathy.
- László Harasztosi – psychic, bioenergeticist, and alternative medicine practitioner
- Michael Harner - synthesized shamanic beliefs and practices from all over the world into a system now known as neoshamanism.
- Hakim Syed Karam Husain - Unani physician
- Hakim Syed Fazlur Rahman - Unani physician
- Hakim Syed Zillur Rahman - Unani scholar
- Gustav Hemwall-Prolotherapist
Read more about this topic: List Of People In Alternative Medicine