Sir Alexander Fleming FRS FRSE FRCS [2] (6 August 1881 – 11 March 1955) was a Scottish physician and microbiologist, best known for discovering the world's first broadly effective antibiotic substance, …

Dec 26, 2025 · Alexander Fleming, Scottish bacteriologist best known for his discovery of penicillin in 1928, which started the antibiotic revolution. He was recognized for that achievement in 1945, when …

In 1928 Alexander Fleming (1881–1955) discovered penicillin, though he did not realize the full significance of his discovery for at least another decade. He eventually received the Nobel Prize in …

In 1921, he discovered in «tissues and secretions» an important bacteriolytic substance which he named Lysozyme. About this time, he devised sensitivity titration methods and assays in human blood and …

Alexander Fleming (1881-1955) Discoveries Alexander Fleming's discovery of penicillin as an antiseptic, followed by the work of Howard Florey, Ernst Chain and Norman Heatley, led to the development of …

May 17, 2014 · Here is a look at Fleming’s inventions: 1. Penicillin. Most people will recognize Fleming’s name because it is well known that he invented the first antibiotic that could be used to fight off …

Alexander Fleming was awarded the 1945 Nobel Prize in Physiology or Medicine jointly with Ernst Boris Chain and Sir Howard Walter Florey "for the discovery of penicillin and its curative effect in various …

Alexander Fleming discovered penicillin, whose use as an antibiotic has saved untold millions of lives. Less well-known is that before making this world-changing discovery, he had already made …

Fleming presented his findings in 1929, but raised little interest. He published a report on penicillin and its potential uses in the British Journal of Experimental Pathology.

Read a biography about the life of Sir Alexander Fleming who is best known for his discovery of penicillin.