Alexander fleming biography famous people

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The popular storye. Churchill was saved by Lord Moran, using sulphonamides, since he had no experience with penicillin, when Churchill fell ill in Carthage in Tunisia in The Daily Telegraph and the Morning Post on 21 December wrote that he had been saved by penicillin.

Their only child, Robert Fleming, became a general medical practitioner. Amalia Koutsouri-Vourekas, a Greek colleague at St. InFleming died at his home in London of a heart attack. Pages: 1 2 3 4 last.

Sign in. Log into your account. Forgot your password? Password recovery. Recover your password. Get help. Interesting stories about famous people, biographies, humorous stories, photos and videos. Home All posts Alexander Fleming.

All posts Science - Other. Alexander Fleming : biography 6 August — 11 March Top 15 Famous Footballers. Top 15 Famous Basketball Players. Top 15 Famous Modern Cricketers.Fleming had a genius for technical ingenuity and original observation.

His work on wound infection and lysozymean antibacterial enzyme found in tears and saliva, guaranteed him a place in the history of bacteriology. But it was his discovery of penicillin inwhich started the antibiotic revolution, that sealed his lasting reputation.

Fleming was recognized for that achievement inwhen he received the Nobel Prize for Physiology or Medicine, along with Australian pathologist Howard Walter Florey and German-born British biochemist Ernst Boris Chainboth of whom isolated and purified penicillin. He later established that the mold prevented bacterial growth because it produced an antibiotic, penicillin.

alexander fleming biography famous people

His country upbringing in southwestern Scotland sharpened his capacities for observation and appreciation of the natural world at an early age.

He began his elementary schooling at Loudoun Moor and then moved on to a larger school at Darvel before enrolling in Kilmarnock Academy in In he moved to London to live with his elder brother Thomas who worked as an oculist and completed his basic education at Regent Street Polytechnic.

After working as a London shipping clerk, Fleming began his medical studies at St. There he won the gold medal as top medical student at the University of London. At first he planned to become a surgeon, but a temporary position in the laboratories of the Inoculation Department at St. There he came under the influence of bacteriologist and immunologist Sir Almroth Edward Wrightwhose ideas of vaccine therapy seemed to offer a revolutionary direction in medical treatment.

Between and Fleming established a successful private practice as a venereologist, and in he married Sarah Marion McElroy, an Irish nurse. Fleming was one of the first doctors in Britain to administer arsphenamine Salvarsana drug effective against syphilis that was discovered by German scientist Paul Ehrlich in During World War IFleming had a commission in the Royal Army Medical Corps and worked as a bacteriologist studying wound infections in a laboratory that Wright had set up in a military hospital housed in a casino in BoulogneFrance.

There he demonstrated that the use of strong antiseptics on wounds did more harm than good and recommended that the wounds simply be kept clean with a mild saline solution. Fleming returned to St. Years later, inhe succeeded Wright as principal of the department, which was renamed the Wright-Fleming Institute.

In November Fleming discovered lysozyme, an enzyme present in body fluids such as saliva and tears that has a mild antiseptic effect. That was the first of his major discoveries. It came about when he had a cold and a drop of his nasal mucus fell onto a culture plate of bacteria.

Unfortunately, lysozyme had no effect on the most-pathogenic bacteria. On September 3,shortly after his appointment as professor of bacteriology, Fleming noticed that a culture plate of Staphylococcus aureus he had been working on had become contaminated by a fungus.

A moldlater identified as Penicillium notatum now classified as P. Fleming decided to investigate further, because he thought that he had found an enzyme more potent than lysozyme. In fact, it was not an enzyme but an antibiotic—one of the first to be discovered. By the time Fleming had established that, he was interested in penicillin for itself.

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Very much the lone researcher with an eye for the unusual, Fleming had the freedom to pursue anything that interested him. Although that approach was ideal for taking advantage of a chance observation, the therapeutic development of penicillin required multidisciplinary teamwork. Fleming, working with two young researchers, failed to stabilize and purify penicillin. However, he did point out that penicillin had clinical potential, both as a topical antiseptic and as an injectable antibiotic, if it could be isolated and purified.

Penicillin eventually came into use during World War II as the result of the work of a team of scientists led by Howard Florey at the University of Oxford. Though Florey, his coworker Ernst Chain, and Fleming shared the Nobel Prize, their relationship was clouded owing to the issue of who should gain the most credit for penicillin.Through research and experimentation, Fleming discovered a bacteria-destroying mold which he would call penicillin inpaving the way for the use of antibiotics in modern healthcare.

He was awarded the Nobel Prize in and died on March 11, He also had four half-siblings who were the surviving children from his father Hugh's first marriage. Fleming was a member of the Territorial Army and served from to in the London Scottish Regiment. He entered the medical field instudying at St. While at St.

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Mary's, he won the gold medal as the top medical student. Fleming had planned on becoming a surgeon, but a temporary position in the Inoculation Department at St. Mary's Hospital changed his path toward the then-new field of bacteriology. There, he developed his research skills under the guidance of bacteriologist and immunologist Sir Almroth Edward Wright, whose revolutionary ideas of vaccine therapy represented an entirely new direction in medical treatment.

He worked as a bacteriologist, studying wound infections in a makeshift lab that had been set up by Wright in Boulogne, France. Through his research there, Fleming discovered that antiseptics commonly used at the time were doing more harm than good, as their diminishing effects on the body's immunity agents largely outweighed their ability to break down harmful bacteria — therefore, more soldiers were dying from antiseptic treatment than from the infections they were trying to destroy.

Fleming recommended that, for more effective healing, wounds simply be kept dry and clean. However, his recommendations largely went unheeded. Returning to St. Mary's after the war, inFleming took on a new position: assistant director of St.

Mary's Inoculation Department. He would become a professor of bacteriology at the University of London inand an emeritus professor of bacteriology in In Novemberwhile nursing a cold, Fleming discovered lysozyme, a mildly antiseptic enzyme present in body fluids, when a drop of mucus dripped from his nose onto a culture of bacteria. Thinking that his mucus might have some kind of effect on bacterial growth, he mixed it with the culture.

A few weeks later, he observed that the bacteria had been dissolved. This marked Fleming's first great discovery, as well as a significant contribution to human immune system research. As it turned out, however, lysozyme had no effect on the most destructive bacteria.

Alexander Fleming Biography - Discovery of Penicillin - Remarkable Biographies

In SeptemberFleming returned to his laboratory after a month away with his family, and noticed that a culture of Staphylococcus aureus he had left out had become contaminated with a mold later identified as Penicillium notatum.

He also discovered that the colonies of staphylococci surrounding this mold had been destroyed. He later said of the incident, "When I woke up just after dawn on September 28,I certainly didn't plan to revolutionize all medicine by discovering the world's first antibiotic, or bacteria killer. But I suppose that was exactly what I did.

Thinking he had found an enzyme more powerful than lysozyme, Fleming decided to investigate further. What he found out, though, was that it was not an enzyme at all, but an antibiotic -- one of the first antibiotics to be discovered.He discovered lysozyme from his nasal discharge inand along with it a bacterium he named Micrococcus Lysodeikticus, later renamed Micrococcus luteus.

His discovery of what is later named benzylpenicillin or penicillin G from the mould Penicillium rubens inis described as the "single greatest victory ever achieved over disease. Fleming was knighted for his scientific achievements in Born on 6 August at Lochfield farm near Darvelin AyrshireScotland, Alexander Fleming was the third of four children of farmer Hugh Fleming — and Grace Stirling Morton —the daughter of a neighbouring farmer.

Hugh Fleming had four surviving children from his first marriage. He was 59 at the time of his second marriage to Grace, and died when Alexander was seven. His elder brother, Tom, was already a physician and suggested to him that he should follow the same career, and so inthe younger Alexander enrolled at St Mary's Hospital Medical School in Paddington ; he qualified with an MBBS degree from the school with distinction in Fleming, who was a private in the London Scottish Regiment of the Volunteer Force from [5] to[11] had been a member of the rifle club at the medical school.

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The captain of the club, wishing to retain Fleming in the team, suggested that he join the research department at St Mary's, where he became assistant bacteriologist to Sir Almroth Wrighta pioneer in vaccine therapy and immunology. He and many of his colleagues worked in battlefield hospitals at the Western Front in France. In he was elected the Rector of the University of Edinburgh for a term of three years.

Serving as Temporary Lieutenant of the Royal Army Medical Corps, he witnessed the death of many soldiers from sepsis resulting from infected wounds. Antisepticswhich were used at the time to treat infected wounds, he observed, often worsened the injuries. Antiseptics worked well on the surface, but deep wounds tended to shelter anaerobic bacteria from the antiseptic agent, and antiseptics seemed to remove beneficial agents produced that protected the patients in these cases at least as well as they removed bacteria, and did nothing to remove the bacteria that were out of reach.

At St Mary's Hospital, Fleming continued his investigations into bacteria culture and antibacterial substances. As his research scholar at the time V. Allison recalled, Fleming was not a tidy researcher and usually expected unusual bacterial growths in his culture plates. Fleming had tease Allison of his "excessive tidiness in the laboratory," and Allison rightly attributed such untidiness as the success of Fleming's experiments, and said, "[If] he had been as tidy as he thought I was, he would not have made his two great discoveries.

In the latewhile he was maintaining agar plates for bacteria, he found that one of the plates was contaminated with bacteria from the air. When he added nasal mucus, he found that the mucus inhibited the bacterial growth.

In the next test, he used bacteria maintained in saline that formed an yellow suspension. Within two minutes of adding fresh mucus, the yellow saline turned completely clear.It took me over 20 minutes on 3 occasions to get a customer representative.

Alexander Fleming

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alexander fleming biography famous people

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alexander fleming biography famous people

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