| Sir William Roberts | |
|---|---|
| Born | 18 March 1830 Bodedern, Anglesey, Wales |
| Died | 16 April 1899 (aged 69) |
| Nationality | United Kingdom |
| Occupation | Consulting Physician |
| Spouse | Elizabeth Johnson |
Sir William Roberts FRS (1830 - 1899) was a physician in Manchester, England.
Roberts was born on 18 March 1830 at Bodedern on the Isle of Anglesey the son David and Sarah Roberts, he was educated at Mill Hill School and at University College London. He graduated with a BA at London University in 1851 and became a member of the Royal College of Surgeons. After completion of his medical studies he was appointed a house surgeon at Manchester Royal Infirmary.
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Between 1870 and 1874, Roberts studied the dissolution of bacteria in cultures contaminated by a mold. He specifically studied the impact of Penicillium glaucum, a close relative of the Penicillium notatum.
See Discoveries of anti-bacterial effects of penicillium moulds before Fleming.
Roberts coined the word "enzyme" in 1881, based on the Greek word "enzym", which Wilhelm Kuehne used in 1876. The anglicized version became popular among researchers by the 1890s.
In 1884, the publication of his "Dietetics and Dyspepsia" described "high feeding" and "low feeding": the diets of the upper and lower class. He speculated that diet was the reason for aristocratic capacity for intellectualism.
When political pressure was brought against the British government's involvement in the Sino-Indian opium trade, the 1893-1895 Royal Commission on Opium was created to investigate the drug. Sir William Roberts was the medical expert on the commission.