1. Thomas Percival drew up a pamphlet with the code in 1794 and wrote an expanded version in 1803, Medical Ethics; or, a Code of Institutes and Precepts, Adapted to the Professional Conduct of Physicians and Surgeons in which he coined the expression "medical ethics".
Thomas Percival was a founding subscriber of the Portico Library in Manchester and a pioneering campaigner for public health measures and factory regulation in the city.
Thomas Percival lost both his parents when he was three years old, so his older sister was responsible for his early education.
Thomas Percival was enrolled as one of the first students at Warrington Academy in 1756.
Thomas Percival achieved a good reputation in classical and theological studies.
Thomas Percival did further postgraduate study at Leyden University in Holland and obtained his doctorate in 1765.
Thomas Percival became a fellow to the Royal Society in the same year, through a recommendation by his friend and patron Lord Willoughby de Parham.
Thomas Percival was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1789.
Thomas Percival was elected to the American Philosophical Society in 1786 and to the Royal Society of Edinburgh in 1787.
Thomas Percival died in Manchester on 30 August 1804 and is buried at Warrington Church.
Thomas Percival is known for his early work in Occupational health.
Thomas Percival led a group of doctors to supervise textile mills, their report influenced Robert Peel's to introduce the Health and Morals of Apprentices Act 1802.