пятница, 28 марта 2014 г.

Five famous female chemists

Cleopatra the Alchemist (dates unknown)
Not the same person as Cleopatra VII, this one lived (probably) in the 3rd or 4th century.  The title Cleopatra the Alchemist is a pseudonym and her real name has been lost.  She was thought to be one of only four women who knew how to make the mythical philosopher’s stone (yes, just like in Harry Potter.  Well sort of) and, perhaps more scientifically, her work also contained several descriptions and drawings of the technical process of furnaces.  She’s also sometimes credited with the invention of an early type of distillation apparatus.  Without this useful chemical technique, we wouldn’t have petrol, plastics or, indeed, vodka.  Cheers!
Marie Curie (1867-1934)
The Polish Madame Marie Curie is most famous for her work on radioactivity and is often thought of as more of a physicist.   However she definitely earned her chemical chops for discovering two (count ‘em, two) whole new elements: polonium (Po) and radium (Ra).  She painstakingly managed to isolate about 0.1 g of radium chloride from 1 ton (907185 g) of the mineral pitchblende.  Now that’s patience.  In 1948 the element curium (Cm) was named in her, and her husband Pierre’s, honour.
Elizabeth Arden (1884-1966)
A famous name, if not one we necessarily associate with science, she was born Florence Nightingale Graham and changed her name in 1909.  Although not formally educated as such, she counts as a chemist for formulating, as well as manufacturing and marketing, her cosmetic products.  She pioneered the idea that cosmetics could and should be scientifically formulated, a concept that many other companies subsequently copied.  She did wear an awful lot of pink, but nobody’s perfect.
Rosalind Franklin (1920-1958)
Who discovered the structure of DNA? Wasn’t that Watson and Crick? Actually it was x-ray crystallographer Rosalind Franklin who produced the first images of deoxyribonucleic acid, and Watson and Crick even publicly admitted to using her data to develop their hypothesis.  Sadly Franklin was a cautious scientist and her work, based on experimental results, was published after their theoretical paper.  Subsequently she’s often forgotten about, particularly because, as she died in 1958 and the rules forbid posthumous nominations, she was never included included in the Nobel Prize awarded to Crick, Watson and Wilkins in 1962.  Don’t hide your light girls.
Anna Jane Harrison (1912-1998)
Harrison, who unlike many historical chemists (when you spend your days messing about with substances that so often turn out to be toxic, you’re invariably in danger of shuffling off this mortal coil earlier than most) managed to live until the ripe old age of 86, was an American organic chemist and the first female president of the American Chemical Society.  She was also the recipient of twenty honorary degrees, none of which were bought from dodgy internet sites.  She worked on toxic smoke during the second world war, and also contributed to research on ultraviolet light.

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