Frances Arnold
1956– — USA
Era: Modern
Brilliance: 9/10 | Stewardship: 8/10 | Composite Index: 72
Engineer of evolution: making enzymes work harder
"Proteins are the most beautiful macromolecules. Let me show you what they can do."
Biography
Frances Arnold pioneered directed evolution, reprogramming enzymes to perform unnatural chemical reactions with industrial precision. Her breakthrough technique treats evolution as an engineering tool, spawning sustainable biofuels, pharmaceuticals, and materials. She became the first woman to win the Nobel Prize in Chemistry for this transformative methodology.
Key Facts
- Invented directed evolution in 1993, earning the 2018 Nobel Prize in Chemistry
- First female Linus Pauling Professor of Chemical Engineering at Caltech
- Created enzymes that produce spider silk and break down plastic waste
- Co-founded Genentech's protein engineering division before returning to academia
- Her work enables sustainable manufacturing without toxic chemical processes
She taught enzymes new tricks. Nature had never seen before.
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