Mary Engle Pennington

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Mary Engle Pennington - American bacteriological chemist and refrigeration engineer (1872-1952)

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03.04.25

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Private Consulting and Continued Advocacy (1922-1952)

Awards, Honors, and Recognition

Personal Life and Relationships

Technological Advances in Refrigeration during her career

Impact on Food Industry and Public Health

The Changing Landscape of Women in Science

Early Life and Education (1872-1905)

Pioneering Work in Food Safety and Preservation (1905-1922)

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Main Milestones

Born in Nashville, Tennessee

October 8, 1872

Mary Engle Pennington was born into a Quaker family in Nashville, Tennessee. Her family's emphasis on education and social responsibility laid the foundation for her future pursuits in science and public service. Her early exposure to scientific ideas fueled her later passion for chemistry and food preservation.

Receives B.S. in Chemistry from the University of Pennsylvania

1892

Pennington completed the requirements for a B.S. in Chemistry from the University of Pennsylvania, but was granted a 'certificate of proficiency' instead of a degree, as the university did not formally award degrees to women in chemistry at the time. She persevered and impressed her professors with her exceptional knowledge and dedication.

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Brief

Known For

Pioneering work in food safety and refrigeration, particularly in the preservation and transportation of perishable foods like milk, poultry, and eggs. She significantly improved food handling practices and public health in the United States.

Daily Chronicle

27 December, 1952

Mary Engle Pennington died in New York at the age of 80. Her death marks the end of a significant career dedicated to improving food safety and refrigeration technology.

1 January, 1906

The Pure Food and Drug Act of 1906 was enacted in the United States. This act was pivotal in the creation of the Food Research Laboratory where Mary Engle Pennington later became the chief, leading to significant advancements in food safety and standards. While not directly involving Pennington, the act created the context for her future work.

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Mary Engle Pennington

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03.04.25

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