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Louis Pasteur was a French chemist and microbiologist who developed the first vaccines for rabies and anthrax. This biography of Louis Pasteur provides detailed information about his childhood, life, achievements, works & timeline.

Quick Facts
Famous as
Chemist and Microbiologist
Nationality
religion
Roman Catholic
Born on
27 December 1822 AD
Birthday
Died At Age
72
Sun Sign
Capricorn    Capricorn Men
Born in
Dole, Jura, Franche-Comté, France
Died on
28 September 1895 AD
place of death
Marnes-la-Coquette, Hauts-de-Seine, France
father
Jean-Joseph Pasteur
mother
Jeanne-Etiennette Roqui
Spouse:
Marie Pasteur (m. 1849)
children
Marie Louise Pasteur, Camile Pasteur, Jean Baptiste Pasteur, Jeanne Pasteur, Cécile Pasteur
education
École Normale Supérieure
discoveries / inventions
Anaerobiosis
awards:
1874 - Copley Medal
- Rumford Medal
- Leeuwenhoek Medal
Louis Pasteur
By unattributed (Hulton Archive) [Public domain], via Wikimedia Commons

Louis Pasteur was a French chemist and microbiologist who developed the first vaccines for rabies and anthrax. He is also credited with the invention of the technique of treating milk and wine to stop bacterial contamination, a process named “pasteurization” after him. One of the pioneers in the field of microbiology, Pasteur, along with Ferdinand Cohn and Robert Koch, is regarded as one of the three main founders of bacteriology. Born as the son of a tanner who had served in the Napoleonic Wars, Louis grew up listening to his father’s patriotic tales which instilled in him a deep love for his country. As a young boy he loved to draw and paint, but his parents wanted him to focus on his studies. He was an average student who even failed in his first attempt to clear the entrance test for École Normale Supérieur though he eventually went on complete his doctorate. In his career as a chemist he disproved many of the long-held erroneous “scientific” beliefs such as the concept of spontaneous generation. He received international acclaim for developing the first vaccination against rabies and for his seminal work in the field of germ theory. Although much renowned for his groundbreaking scientific works, Pasteur’s life has also been the subject of several controversies.

Childhood & Early Life
  • Louis Pasteur was born on December 27, 1822, in Dole, Jura, France, as the third child of Jean-Joseph Pasteur and Jeanne-Etiennette Roqui. His father was a tanner who had served as a sergeant major during the Napoleonic Wars.
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  • He was a creative young boy who loved to draw and paint. He was an average student in school and displayed little interest in academics.
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  • After completing his primary education he joined the Collège Royal de Besançon in 1839 and he earned his Bachelor of Arts degree (1840) and Bachelor of Science degree (1842).
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  • He entered the École Normale Supérieure (a teachers’ college in Paris) in 1843 and received his Master of Science degree in 1845 and then acquired an advanced degree in physical sciences. He later earned his doctorate in sciences in 1847.
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Career
  • In 1848, he was appointed professor of physics at the Dijon Lycée. However, he quit the job to become professor of chemistry at the University of Strasbourg the same year.
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  • He became the dean of the new faculty of sciences at Lille University in 1854 where he began his studies on fermentation. Through his experiments, he demonstrated that fermentation is caused by the growth of micro-organisms, and that the growth of bacteria is due to biogenesis and not due to spontaneous generation as was normally believed at that time.
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  • In 1857, he was selected to be the director of scientific studies at the École Normale Supérieure where he served till 1867. There he introduced several reforms, which were often very rigid. This helped to increase the institution’s prestige, but also instigated two major student revolts.
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  • He became a professor of geology, physics, and chemistry at the École nationale supérieure des Beaux-Arts in 1862 and held this position until his resignation in 1867.
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  • His research in fermentation showed that the growth of micro-organisms was responsible for spoiling beverages, such as beer, wine and milk. He went on to invent a process in which the beverages were heated to a temperature between 60 and 100 °C which killed most bacteria already present within them. He patented the method, which became known as pasteurization in 1865.
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  • His first important work in the field of vaccination came in 1879 while studying a disease called chicken cholera. He accidentally exposed some chickens to the attenuated form of a culture of the disease causing virus, and observed that they became resistant to the actual virus. This formed the foundation for his further studies in the field.
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  • In the 19th century rabies was a much dreaded disease, and Pasteur and his colleagues began working on a vaccine. They experimented on infected rabbits and developed a vaccine that they tested on 50 dogs. But the vaccine was yet to be tested on a human being. Pasteur, in spite of not being a licensed medical practitioner took a chance and administered the vaccine to a young boy who was bitten by a rabid dog in 1885. The boy did not develop any symptom of the disease even after three months and Pasteur was hailed a hero.
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  • In 1887, he established the Pasteur Institute and served as its director for the rest of his life. A year after its inauguration, the institute started the first course of microbiology ever taught in the world, then titled ‘Cours de Microbie Technique’ (Course of microbe research techniques).
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Major Works
  • Louis Pasteur is best remembered for developing the process of what came to be known as “Pasteurization”, in which beverages like beer, wine, or milk are heated up to a certain temperature in order to reduce the number of viable pathogens so they are unlikely to cause disease. The process is today widely used in the food industry.
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  • He also achieved considerable fame for developing the first vaccine for rabies. Pasteur and his colleagues were working on a rabies vaccine that had been tested on 50 dogs but was yet to be tested on a human. Pasteur first administered the vaccine to a nine-year old boy who had been bitten by a rabid dog in 1885. The boy did not develop rabies and lived to become an adult.
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Awards & Achievements
  • The Royal Society of London presented him the Rumford Medal for his discovery of the nature of racemic acid and its relations to polarized light in 1856.
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  • The French Academy of Sciences awarded him the Montyon Prize in 1859 for experimental physiology, the Jecker Prize in 1861, and the Alhumbert Prize in 1862.
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  • He was awarded the Copley medal in 1874 for his work on fermentation.
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  • In 1883 he became a foreign member of the Royal Netherlands Academy of Arts and Sciences.
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  • He won the Leeuwenhoek medal, microbiology's highest Dutch honor in Arts and Sciences, in 1895.
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Personal Life & Legacy
  • While working as a professor of chemistry at the University of Strasbourg, he fell in love with Marie Laurent, daughter of the university's rector, and married her in 1849. The couple had five children, but only two of them survived to adulthood. The other three died of diseases and these personal tragedies strengthened Pasteur’s resolve to find cures for infectious diseases.
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  • He suffered a series of strokes beginning in 1868. He was severely impaired following a stroke in 1894 stroke and never recovered fully. He died on September 28, 1895 and was given a state funeral.
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Books by Louis Pasteur

    Ber Die Asymmetrie (German Edition)

    by Louis Pasteur

    Ber Die Asymmetrie German Edition

    by Louis Pasteur

    Correspondance générale de Pasteur, quatre volumes

    by Louis Pasteur

Books About Louis Pasteur

    Louis Pasteur (Turtleback School & Library Binding Edition) (Ideas on Trial)

    by E. A. M. Jakab

    Louis Pasteur: And the Founding of Microbiology (Renaissance Scientists)

    by Jane Ackerman

    Value of Believing in Yourself, the Story of Louis Pasteur (ValueTale Series)

    by Spencer M. D. Johnson

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