Dr Ruth Erica Benesch

Reinhold and Ruth Erica Benesch made a key discovery that helped explain how hemoglobin, a protein in red blood cells, carries oxygen from the lungs to all the cells in the body.

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Dr Marie Maynard Daly

Overcoming the dual hurdles of racial and gender bias, Marie Maynard Daly conducted important studies on cholesterol, sugars, and proteins. In addition to her research, she was committed to developing programs to increase the enrollment of minority students in medical school and graduate science programs.

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Dr Paula T Hammond

In her lab at MIT she creates technologies so small that you cannot see them with most microscopes—until they save a soldier’s life on the battlefield or illuminate light bulbs using stored solar power.

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Kiran Mazumdar-Shaw

With just two employees, a master brewer’s certificate, and her father’s blessing, Mazumdar-Shaw began a business specializing in industrial enzymes for food and textile makers that now reaches around the globe.

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Uma Chowdhury

An ambitious teenaged Uma Chowdhry (1947–2024) left her home in India to study physics and engineering in the United States. But after falling in love with chemistry, particularly materials science, the study of solids at the molecular level, Chowdhry decided to work in industrial research.

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Dr Anna Harrison

In 1978, more than 100 years after its founding, the American Chemical Society (ACS), one of the world’s largest scientific organizations, elected a woman as its leader for the very first time. Anna Jane Harrison had served as a chemistry professor at Mount Holyoke College in Massachusetts since 1945.

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Dr Darleane C Hoffman

The heavy elements, which include plutonium, are hard to produce and exist only briefly, yet one woman has dedicated her career to capturing and analyzing them, making important discoveries about the nature of nuclear fission.

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Helen Murray Free

A husband-and-wife team of biochemists revolutionized diagnostic urine testing with their invention of an easy-to-use, chemically coated paper dipstick that measures a patient’s blood sugar by changing color when dipped in a urine sample.

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