12th May : Birth anniversary of Dorothy Hodgkin
Dorothy Mary Hodgkin (12th May 1910 - 29th July 1994) aka Crowfoot was a British Biochemist who was known for her knowledge on Protein and X-Ray Crystallography which are methods used to determine three dimensional figures of Bio-molecules. Some of her most influential discoveries are the confirmation of the structure of Penicillin and structure of vitamin B12. She was the third woman who won the Nobel prize in Chemistry. 12th May 2020 is her 110th Birth Anniversary.
The above stamp was issued in 1996 by Royal post
The below First Day Cover and stamp were issued in 2014 to commemorate the International Year of Crystallography.
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