vitamins

Richard Kuhn and his Work on Carotinoids and Vitamins

Richard Kuhn and his Work on Carotinoids and Vitamins

On December 3, 1900, Austrian-German biochemist Richard Johann Kuhn was born. Kuhn was awarded the Nobel Prize in Chemistry in 1938 “for his work on carotenoids and vitamins“. Kuhn is also credited with the discovery of the deadly nerve agent Soman in 1944. Before entering the University of Vienna in 1918, Richard Kuhn attended the same classes as the later Nobel Prize winner Wolfgang Pauli. In 1919, Kuhn moved to the…
Frederick William Twort and the Bacteriophages

Frederick William Twort and the Bacteriophages

On March 20, 1955, English bacteriologist Frederick William Twort passed away. Twort was the original discoverer in 1915 of bacteriophages, i.e. viruses that infect bacteria. He researched into Johne’s disease, a chronic intestinal infection of cattle, and also discovered that vitamin K is needed by growing leprosy bacteria. Frederick William Twort initially only received a limited education, but managed to go to London in order to study medicine  at the local St Thomas’s…
Elmer McCollum and the Vitamins

Elmer McCollum and the Vitamins

On November 15, 1967, American biochemist Elmer McCollum passed away. McCollum is known for his work on the influence of diet on health. Together with Marguerite Davis McCollum discovered the first vitamin, named A, in 1913. He also helped to discover vitamin B and vitamin D and worked out the effect of trace elements in the diet. In 1903, Elmer McCollum graduated from the University of Kansas. He secured a…
Sir Frederick Gowland Hopkins and the Discovery of Vitamins

Sir Frederick Gowland Hopkins and the Discovery of Vitamins

On June 20, 1861, English biochemist and Nobel Laureate Sir Frederick Gowland Hopkins was born. He is best known for the discovery of essential nutrient factors, now known as vitamins, needed in animal diets to maintain health. He also discovered the amino acid tryptophan, in 1901. Frederick Gowland Hopkins was born in 1861 in England. It is believed that in his early years, Hopkins was more interested in literature rather than science. He attended…
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