Adolf Friedrich Johann Butenandt (March 24, 1903 - January 18, 1995) was a Germanbiochemist. He was awarded a Nobel Prize in Chemistry in 1939 for his work on sex hormones. March 24 is the 83rd day of the year in the Gregorian Calendar (84th in Leap years). ... 1903 has the latest occurring solstices and equinoxes for 400 years, because the Gregorian calendar hasnt had a leap year for seven years or a century leap year since 1600. ... January 18 is the 18th day of the year in the Gregorian Calendar. ... 1995 was a common year starting on Sunday of the Gregorian calendar. ... Biochemistry is the chemistry of life. ... List of Nobel Prize laureates in Chemistry from 1901 to the present day. ... 1939 was a common year starting on Sunday (link will take you to calendar). ... Sex hormones are hormones that affect the reproductive system. ...
Butenandt made the first big step forward in clarifying the chemistry of the follicle hormone in 1929 in Göttingen, simultaneously with Doisy in the United States.
In 1932, Butenandt was able, from observations made in spectral analysis, and especially on the basis of the then established correct formula of cholesterol to draw up the formulae of the chemical structure of oestrone and oestriol.
Butenandt was the first to tackle this problem, and it was only possible to work on it after biological research had found a quantitative test for the determination of these substances - the so-called capon comb test.
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