Hodgkin, Dorothy Mary Crowfoot

Hodgkin, Dorothy Mary Crowfoot, 1910–94, English chemist and X-ray crystallographer, b. Egypt. She received the 1964 Nobel Prize in chemistry for determining the structure of biochemical compounds (particularly of vitamin B₁₂) used to control pernicious anemia. In 1933 she and J. D. Bernal made the first X-ray photograph of a protein (pepsin). She was president (1977–78) of the British Association for the Advancement of Science.