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Mary Engle Pennington : ウィキペディア英語版 | Mary Engle Pennington
Mary Engle Pennington (October 8, 1872 – December 27, 1952) was an American bacteriological chemist and refrigeration engineer. ==Early life and education== Mary Engle Pennington was born in Nashville, Tennessee; her parents were Henry and Sarah B. (Malony) Pennington. Shortly after her birth, her parents moved to Philadelphia, Pennsylvania, to be closer to Sarah Pennington's Quaker relatives. Mary Pennington demonstrated an early interest in chemistry. She entered the University of Pennsylvania in 1890 and completed the requirements for a B.S. degree in chemistry with minors in botany and zoology in 1892. However, since the University of Pennsylvania did not grant degrees to women at this time, she was given a certificate of proficiency instead of a degree. Pennington received her Ph.D. from the University of Pennsylvania in 1895, and was a university fellow in botany there in 1895–96. She was a fellow in physiological chemistry at Yale in 1897–99, where she did research in physiological chemistry with Mendel. In 1898, she accepted a position with the Women's Medical College of Pennsylvania as Director of their Clinical Laboratory. She also served as a research worker in the department of hygiene at the University of Pennsylvania from 1898 to 1901, and was a bacteriologist with the Philadelphia Bureau of Health. In her position with the Bureau of Health, she was instrumental in improving sanitation standards for the handling of milk and milk products.〔Stephan, Karl D., "Technologizing the Home: Mary Pennington and the Rise of Domestic Food Refrigeration." ''Proceedings, Women and Technology: Historical, Societal, and Professional Perspectives.'' IEEE International Symposium on Technology and Society, New Brunswick, NJ, July 1999, 290.〕
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