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. Early Years Frederick William Twort was born in Camberley, Surrey, the eldest of the eleven children of Dr. William Henry Twort. He initially only received a limited…Read more
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