Scientific Biographies

Science is a human pursuit. Meet some of the people who have contributed to the history of chemistry, chemical engineering, and the life sciences.

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Percy Lavon Julian

The grandson of enslaved people, Julian overcame racial barriers to achieve scientific, business, and personal success.

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Dr. Percy Lavon Julian honored at MacMurray College

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Kathryn C. “Kitty” Hach-Darrow

Ellen H. Swallow Richards

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