author
Thomas Percival
1740–1804
An Enlightenment-era physician and reformer, Thomas Percival helped shape modern medical professionalism. His 1803 work Medical Ethics introduced a lasting framework for doctors’ conduct and gave the field its enduring name.
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About the author
Born in Warrington on September 29, 1740, Thomas Percival studied at Warrington Academy, the University of Edinburgh, and Leiden University. He established his medical practice in Manchester, where he became known for his wide learning, concern for the poor, and interest in public health.
Percival helped found the Manchester Literary and Philosophical Society and campaigned for better sanitation, public baths, and improved conditions for factory workers. He also wrote for children and on medicine, mortality, morality, and education.
His best-known work, Medical Ethics; or, a Code of Institutes and Precepts, Adapted to the Professional Conduct of Physicians and Surgeons, appeared in 1803. Developed from guidance he prepared for Manchester’s medical community, it helped establish principles of professional conduct and later influenced the American Medical Association’s first code of ethics. Percival died in Manchester on August 30, 1804.