Directed evolution
Frances Arnold
She developed directed evolution of enzymes.
The problem
A question worth answering.
Natural enzymes did not always perform needed reactions.
What they did
She developed directed evolution of enzymes.
What changed
Engineered enzymes have uses in chemistry and biotechnology.
Where you meet their legacy
In the knowledge, systems and people who carry the work forward today.
Evidence and further reading
This story does not assign sole credit for a collective achievement.