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Hannes Bloomfield

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Elmer McCollum

Died 15 Nov 1967 at age 88 (born 3 Mar 1879).American biochemist who originated the letter system of naming vitamins. He discovered vitamins A, B and worked with others on vitamin D. He performed extensive research work in nutrition and growth. He was the first in the U.S. to establish a colony of white rats as laboratory animals to be the subject of his nutrition experiments. In the 1910's, he recognized that a healthy diet required certain fats, and he named the essential component "fat-soluble A," as distinct from another he named "water-soluble B." Although at first he thought each was a single compound, he later showed that they were in fact complexes. He researched how certain minerals were important as nutrients, including calcium, phosphorus, fluorine, manganese and zinc.«

A man who suffered from impote...

A man who suffered from impotence went to see a doctor. The doctor gave him a revolutionary new injection made from monkey glands, which worked perfectly. Nine months and two weeks later, his wife had a baby.
When the nurse came out of the delivery room with the news, he asked, "Is it a boy or a girl?"
"We won't know until we can get it down off the chandelier."
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