Antibiotics
Alexander Fleming
His observation of penicillin's antibacterial activity began a longer development effort.
The problem
A question worth answering.
Bacterial infection was difficult to treat effectively.
What they did
His observation of penicillin's antibacterial activity began a longer development effort.
What changed
Penicillin became a major antibiotic after work by many others.
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.