Timeline of key events in biotechnology

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Charles Darwin, English naturalist, publishes his theory of natural selection which establishes that all species of life have descended over time from common ancestry.1859-01-01T00:00:00+0000Loeb was a physiologist and biologist who demonstrated the possibility of reproduction without male fertilisation, parthenogenesis, in sea urchin eggs. He found it was possible to stimulate embryonic development in the eggs of sea urchins without sperm by making slight chemical changes to the water where the eggs were kept. This he discovered while conducting experiments at the Marine Biological Laboratory in Woods Hole, Massachusetts. His results were published in 'Activation of the unfertilized egg by ultra-violet rays', Science, 40/1036 (1914), 680-1. While Loeb was nominated for the Nobel Prize many times he never won. 1859-04-07T00:00:00+0000Together with Daniel E Salmon, Smith provided the first proof that killed bacteria could be used to induce immunity in experimental animals, in 1886. This laid the foundation for the subsequent development of protective immunisation in humans against bacterial diseases like typhoid and cholera. Smith also pioneered the use of the fermentation tube to study bacterial physiology and classification. Using this technique he managed to identify the causes of several infectious parasitic diseases, including Texas Cattle Fever caused by ticks. His delineation of the tick's life-cycle paved the way to controlling the disease by dipping cattle to kill the ticks. Smith's revelation that insects could transmit disease was a major breakthrough and laid the foundation for the investigation of yellow fever and malaria. Smith established the first department of bacteriology at a medical school in the United States - at Columbian University (now George Washington University). 1859-07-31T00:00:00+0000Bayliss was a physiologist who, together with Ernest Starling, discovered the first hormone, in 1902 The two scientists named the hormone 'secretin' after the Greek word meaning to set in motion. The hormone helps secrete pancreatic juice when food enters the intestines. Bayliss subsequently worked out how trypsin, an enzyme, formed in the small intestine and the time it took to digest protein. He also saved the lives of many soldiers in World War I by recommending injections of gum-saline injections. This was based on his studies of wound shock. 1860-05-02T00:00:00+0000Buchner was a chemist and zymologist. In 1907 he was awarded the Nobel Prize for Chemistry for his discovery of cell-free fermentation. This was based on some experiments he carried out in 1897, during which he found that yeast extract could form alcohol from a sugar solution without any living cells. He discovered that the fermentation was driven by an enzyme, zymase, inside the yeast cells. It provided the first evidence that biochemical processes were driven by enzymes formed inside cells. He was killed in the First World War while serving as a general. 1860-05-20T00:00:00+000040,000 cases recorded1861-01-01T00:00:00+0000Hopkins was a biochemist who shared the 1929 Nobel Prize for Physiology or Medicine for discovering vitamins and demonstrating they were an important nutrient in the diet. This was based on experiments he carried out on rats in 1901. He also helped establish the chemistry of muscle contraction, showing that lactic acid accumulated in working muscle in 1907. In 1922 he isolated and demonstrated the importance of tripeptide gluathione to the utilisation of oxygen by the cell. 1861-06-20T00:00:00+0000Stevens was an American biologist who was one of the first scientists to describe the importance of the Y chromosome for determining the sex of some species, and to recognise that females have two X chromosomes. The later she determined after noting male beetles produced two kinds of sperm: each with different sized chromosomes. In 1905 she was awarded $1000 for the best scientific paper written by a women. Five years later she was listed as one of America's leading 1000 scientists by The New York Times.1861-07-07T00:00:00+0000Herrick was a physician and cardiologist who reported the first case of sickle-shaped red blood cells in 1910. These he found in the blood of a medical student from Grenada suffering from anaemia. Clinicians subsequently found that the condition, called sickle-cell anaemia, was inherited and was most common in black patients. Sickle-cell anemia was the first disease found to have a genetic cause. Herrick later also observed the first clinical features of coronary thrombosis. 1861-08-11T00:00:00+0000Bragg shared the 1915 Nobel Prize in Physics with his son, William Lawrence Bragg, for the development of X-ray crystallography. Using his experience of ionisation measurements William H. Bragg managed to construct an X-ray spectometer to investigate the properties of X-rays. He maintained an active interest in X-ray crystallography until his death. Sciences: 1862-07-02T00:00:00+0000Oscar Hertwig, Albrecht von Kolliker, Eduard Strasburger, and August Weismann independently show the cell's nucleus contains the basis for inheritance.1864-01-01T00:00:00+0000Ivanovsky was a microbiologist who was one of the first scientists to discover viruses. He made the discovery based on a request to investigate a disease that was destroying tobacco crops in the Ukraine, which he carried out while a doctoral student. Initially he believed the destruction was due to mosaic disease, which was commonly linked to bacteria. He then noticed that sap filtered from the diseased plants could transfer the infection to healthy plants. With the microorganism proving invisible even under the highest magnification and able to permeate porcelain filters designed to trap bacteria, Ivanosky concluded the causal agent was an extremely tiny infectious agent. He first described his findings in an article in 1882 and then in a dissertation in 1902. 1864-11-09T00:00:00+0000Conducting experiments breeding peas, Gregor Mendel, Austrian scientist, demonstrates that the inheritance of certain traits in pea plants follows particular patterns. This lays the foundation for what was to become known as the laws of Mendelian inheritance. Athough Mendel's theory was not recognised until the early 20th century, Mendel's work established the general principles for modern genetics. 1865-01-01T00:00:00+0000R. Virchow, 'Ueber das Vockommn und den Nacweis des hepatogenen. inspersondere des katarrhalischen Icterus', Vichows Arch Pathol Anat, (1865), 32, 117-25.1865-01-01T00:00:00+0000Harden was one of the key founders of British biochemistry. He won the 1929 Nobel Prize for Chemistry for working out the importance of two enzymes and phosphoric acid during the fermentation process. These he discovered while investigating the fermentation of sugars by bacteria, a project undertaken between 1900 and 1914 that was designed to find a way of differentiating between different groups of Escherichia coli. The work involved grinding bacteria and extracting the intracellular juices.1865-10-12T00:00:00+0000Ernst Haeckel, German biologist and philosopher, proposes the cell nucleus contains factors responsible for the transmission of hereditary traits.1866-01-01T00:00:00+0000A French bacteriologist, Nicolle determined that lice were the transmission vector of epidemic typhus and worked out the transmission method of tick fever. His work also helped discover the parasite responsible for toxoplasmosis. In addition, he developed a vaccine for Malta fever, a disease now called brucellosis.1866-09-21T00:00:00+0000Morgan is considered the father of the modern science of genetics. He received the Nobel Prize in Physiology or Medicine in 1933 for demonstrating how genes carried on chromosomes are the mechanical basis of hereditary. This he determined based on some cross-breeding experiments with the fruit fly (Drosophila) that he conducted between 1908 and 1911. 1866-09-25T00:00:00+0000Fibiger published the first randomisation method for a clinical trial. The aim of the trial, conducted in 1898, was to investigate the effect of serum therapy on diphtheria. Fibiger would later go on to win the 1926 Nobel Prize for Medicine for demonstrating a roundworm could cause stomach cancer in rats and mice. Following his death researchers showed that the roundworm could not cause cancer and were due to vitamin deficiency and that Fibiger had mistakenly confused non-cancerous tumours for cancerous tumours in his experiments. 1867-04-23T00:00:00+0000Curie was the first woman to win the Nobel Prize, in 1903, and the first person to win it twice, in 1911. She developed techniques for isolating radioactive isotopes and discovered the two elements, polonium and radium. Curie also pioneered the use of radioactive isotopes to treat cancer and developed mobile radiography mobile unites to provide X-ray services in field hospitals during World War I. Throughout her life Curie experienced major challenges because of her sex. Denied a regular university education in Poland, her home country, because she was a woman, she had to study in France to get her degree. In 1903 the French Academy of Sciences tried to keep her name off its list of Nobel Prize nominees and the Swedish Academy of Sciences asked her not to attend the Nobel ceremony in 1911 because of negative publicity surrounding her personal life.1867-11-07T00:00:00+0000
Date Event People Places Sciences
1859Darwin publishes 'On the Origin of Species'Darwin Evolution
7 Apr 1859Jacques Loeb was born in Mayen, Germany LoebRockefeller UniversityReproduction
31 Jul 1859Theobald Smith was born in Albany, New York, USASmithBureau of Animal Industry, George Washington UniversityInfectious diseases, Bacteriology
2 May 1860William M Bayliss was born in Wednesbury, Staffordshire, UKBaylissUniversity College LondonEndocrinology
20 May 1860Eduard Buchner was born in Munich, GermanyBuchnerUniversity of WurzburgBiochemistry
1861 - 1865Outbreaks of of jaundice noted in Union troops during American Civil War   
20 Jun 1861Frederick Gowland Hopkins was born in Eastbourne, United KingdomHopkinsCambridge UniversityBiochemistry, Cell
7 Jul 1861Nettie Maria Stevens was born in Cavendish, Vermon, USAStevensCarnegie Institute, Bryn Mawr CollegeGenetics
11 Aug 1861James Bryan Herrick was born in Oak Park, Illinois, USAHerrickRush Medical CollegeGenetics
2 Jul 1862William Henry Bragg was born in Wigton, United KingdomBraggLeeds University, University College LondonX ray crystallography
1864 - 1865Nucleus shown to contain genetic substanceHertwig, von Kolliker, Strasburger, Weismann University of Munich, University of Wurzburg, University of FreiburgGenetics, DNA
9 Nov 1864Dmitry Iosifovich Ivanovsky was born in Gdov, RussiaIvanovskyUniversity of St PetersburgVirology
1865Laws of inheritance establishedMendelAbbey of St Thomas, Brno, Austro-Hungarian EmpireGenetics
1865Rudolf Virchow, renowned pathologist, argued jaundice caused by deranged cellular functionVirchow  
12 Oct 1865Arthur Harden was born in Manchester, United KingdomHardenLondon UniversityBiochemistry
1866Theory that cell's nucleus contains genetic substanceHaeckelUniversity of JenaCell, Genetics
21 Sep 1866Charles J H Nicolle was born in Rouen, FranceNicolle Vaccine
25 Sep 1866Thomas Hunt Morgan was born in Lexington KY, USAMorganColumbia University, California Institute of TechnologyGenetics
23 Apr 1867Johannes A G Fibiger was born in Silkeborg, DenmarkFibigerSilkeborg, DenmarkAntibodies, Oncology, Clinical trial
7 Nov 1867Marie Curie, nee Sklodowska, born in Warsaw, Russian Empire (now Poland)CurieWarsaw 

1859

Darwin publishes 'On the Origin of Species'

7 Apr 1859

Jacques Loeb was born in Mayen, Germany

31 Jul 1859

Theobald Smith was born in Albany, New York, USA

2 May 1860

William M Bayliss was born in Wednesbury, Staffordshire, UK

20 May 1860

Eduard Buchner was born in Munich, Germany

1861 - 1865

Outbreaks of of jaundice noted in Union troops during American Civil War

20 Jun 1861

Frederick Gowland Hopkins was born in Eastbourne, United Kingdom

7 Jul 1861

Nettie Maria Stevens was born in Cavendish, Vermon, USA

11 Aug 1861

James Bryan Herrick was born in Oak Park, Illinois, USA

2 Jul 1862

William Henry Bragg was born in Wigton, United Kingdom

1864 - 1865

Nucleus shown to contain genetic substance

9 Nov 1864

Dmitry Iosifovich Ivanovsky was born in Gdov, Russia

1865

Laws of inheritance established

1865

Rudolf Virchow, renowned pathologist, argued jaundice caused by deranged cellular function

12 Oct 1865

Arthur Harden was born in Manchester, United Kingdom

1866

Theory that cell's nucleus contains genetic substance

21 Sep 1866

Charles J H Nicolle was born in Rouen, France

25 Sep 1866

Thomas Hunt Morgan was born in Lexington KY, USA

23 Apr 1867

Johannes A G Fibiger was born in Silkeborg, Denmark

7 Nov 1867

Marie Curie, nee Sklodowska, born in Warsaw, Russian Empire (now Poland)