Molecular biology
Kary Mullis
He developed the polymerase chain reaction method.
The problem
A question worth answering.
Researchers needed a way to make many copies of tiny DNA samples.
What they did
He developed the polymerase chain reaction method.
What changed
PCR became a foundational laboratory technique.
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.