What class of philosopher Dr. Hahnemann is considered?

Schools of Philosophy and Hahnemann’s Position

In the classical philosophical framework used in homoeopathic philosophy (notably Stuart Close’s Lectures on Homoeopathic Philosophy), the various schools of philosophy are broadly classified into three major schools (1):

1. Materialism
*Definition: The doctrine that the facts of experience are all to be explained by reference to the reality, activities, and laws of physical or material substance. In psychology it denies the reality of the soul as a psychical being; in cosmology, it denies the need of assuming any spiritual ground or first principle (1).

*Position on disease: Disease is a product of the organism — explainable by physical, chemical, or mechanical alterations of matter (e.g., the allopathic “materia peccans” or material morbific principle) (2, 3).
*Hahnemann’s stance: Explicitly rejected. The Organon (Aphorism 11, footnote) states that the allopathic idea of disease as “a thing separate from the living whole… hidden in the interior, be it of ever so subtle a character, is an absurdity that could only be imagined by minds of a materialistic stamp” (3). He also wrote that diseases are “not mechanical or chemical alterations of the material substance of the body, and not dependent on a material morbific principle” (2).

2. Idealism (Spiritualism / Dynamism)
*Definition: “That system of reflective thinking which would interpret and explain the whole universe, things and minds and their relations, as the realization of a system of ideas” (1).

*Position on disease: Disease is a dynamic, spiritual derangement of an immaterial principle (vital force / dynamis) that animates the body, not a material thing (1, 2, 3).

*Hahnemann’s stance: Adopted — this is his school. Hahnemann has traditionally been assigned to the Idealist school. In an attempt to be more specific, he has been called a Vitalist, referring to the prominence given in the Organon to the doctrine of the vital force (1, 3, 4). His biographer Haehl also confirms he was “a strong opponent of materialism” and advanced toward spiritualism in his later years (5).

3. Substantialism
*Definition: “The doctrine that substantial existences or real beings are the sources or underlying ground of all phenomena, mental and material; especially the doctrine which denies that the conception of material substance can be resolved into mere centres of force” (1).
*Position on disease: Disease is a real, substantial entity — a distinct “thing” that exists independently in the body.

*Hahnemann’s stance: Rejected. The Organon (Aphorism 11, footnote; Aphorism 13) explicitly denies that disease is any “substance, any acridity, that is to say, any disease-matter.” Disease is “solely spirit-like (dynamic) derangement of the spirit-like power (the vital force) that animates the human body” (2, 3).

Summary of Hahnemann’s classification

1. Materialism: Disease = physical/chemical/material change | Rejected (called it “an absurdity… imagined by minds of a materialistic stamp”)
2. Substantialism: Disease = a real, substantial entity in the body | Rejected (diseases “depend on no substance, no acridity… no material principle of disease”) |
3. Idealism (Spiritualism / Dynamism / Vitalism) | Disease = dynamic, spiritual derangement of an immaterial vital force | Adopted — this is the school Hahnemann belongs to (more specifically, a Vitalist within the Idealist tradition) |

Conclusion: Dr. Hahnemann is considered an Idealist philosopher — and, more specifically, a Vitalist (or Dynamist) within the Idealist school — whose system of homoeopathy is fundamentally opposed to both the Materialist and Substantialist schools of philosophy (1, 2, 3, 4).

Reference list (Vancouver style)

1. Close S. Lectures on Homoeopathic Philosophy. Chapter III: Schools of Philosophy [Internet]. New Delhi: B. Jain Publishers; [cited 2026 Jul 23]. Available from: http://homeoint.org/books4/close/chapter03.htm

2. Hahnemann S. Organon of the rational art of healing. 1st ed. Dresden: Arnold; 1810. (Original work: Organon der rationellen Heilkunde).

3. Vithoulkas G. Aphorisms 9–18 [Internet]. International Academy of Classical Homeopathy; [cited 2026 Jul 23]. Available from: https://www.vithoulkas.com/learning-tools/organon/organon-hahnemann/aphorisms-9-18/

4. Jütte R, Lambeck M. The life and legacy of Samuel Hahnemann. *Indian J Res Homoeopathy*. 2024;18(3):1–9. Available from: https://pmc.ncbi.nlm.nih.gov/articles/PMC11524651/

5. Schmidt JM. Hahnemann’s worldview: deism, rationalism, and the philosophy of nature. In: Homöopathie und Philosophie – im Spannungsfeld zwischen Empirismus und moderner Wissenschaft. München: LMU München; 2009. Available from: https://epub.ub.uni-muenchen.de/21842/1/oa_schmidt_21842.pdf