CHEMISTRY

Antoine-Laurent de Lavoisier (French: [ɑ̃twan lɔʁɑ̃ də lavwazje] UK: /læˈvwʌzieɪ/ lav-WUZ-ee-ay,[1] US: /ləˈvwɑːzieɪ/ lə-VWAH-zee-ay;[2][3] 26 August 1743 – 8 May 1794),[4] also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.[5] It is generally accepted that Lavoisier’s great accomplishments in chemistry stem largely from his changing the science from a qualitative to a quantitative one. […]

Alexander Fleming, in full Sir Alexander Fleming, (born August 6, 1881, Lochfield Farm, Darvel, Ayrshire, Scotland—died March 11, 1955, London, England), Scottish bacteriologist best known for his discovery of penicillin. Fleming had a genius for technical ingenuity and original observation. His work on wound infection and lysozyme, an antibacterial enzyme found in tears and saliva, guaranteed him a place in the history of bacteriology. But […]