Marguerite Williams
Geologist and first woman PhD graduate
Geologist and first woman PhD graduate
1991
35 years ago — 96 years old
Scientists & Innovators
United States
Graduated with a PhD in geology, becoming the first woman in the United States to earn this degree. Contributed to the field through research focused on mineralogy and petrology. Worked as a professor and mentor, influencing the education of future geologists. Conducted research that improved understanding of the geological features in specific regions, influencing both academic and field studies.
First woman to earn a PhD in geology in the U.S.
Research in mineralogy and petrology
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