The Revolution in Medicine was the seventh Hahnemannian oration delivered by John H. Clarke on 5th October, 1886 at the London Homoeopathic Hospital. In his oration, Clarke has expressed the journey of Hahnemann from his birth place Meissen, in Saxony, family environment, his struggle, accomplishments and the prevailing medical scenario of that era. Clarke has categorised his oration under 4 headings where he has explained how Hahnemann had revolutionised the medical world. The oration covers all aspects of Hahnemann, the man, the physician, translator, medical philosopher, founder of scientific therapeutics, about his contribution and literary work. The headings of the oration are (a) Darkness & Dawn Night {1786, Hahnemann, A Reformer Not A Destroyer, In The Valley Of The Shadow, Dawn} (b) The Three Fold Work {Cleansing The Augean Stable, Constructive And Defensive, Unexpected Allies} (c) The Revolution & The Man {1786 And 1886, Medical Dogberry’s, The Man} (d) Our Inheritance {The Revolution Not Complete, “Medical Ethics”, En Avant!. About The Author : John Henry Clarke (1853 –1931) was an English classical homeopath. He was also, arguably, the most important anti-Semite in Great Britain. He led The Britons, an anti-Semitic organisation. Educated at the University of Edinburgh, he received his medical degree in 1877. As a physician Clarke had his own clinic in Piccadilly, London, but he also was a consultant at the London Homeopathic Hospital and did research into new homeopathic remedies.