1. Who is this and what did they do? Alexander Fleming

2. Who is this and what did they do? John Snow

3. Who is this and what did they do? Louis Pasteur

4. Who is this and what did they do? James Watson and Francis Crick

5. Who is this and what did they do? David Lloyd George

6. Who is this and what did they do? Robert Koch

7. Who is this and what did they do? Marie Curie

8. Who is this and what did they do? Edwin Chadwick

9. Who is this and what did they do? Aneurin Bevan

10. Who is this and what did they do? Paul Ehrlich

11. Who is this and what did they do? Charles Booth

12. Who is this and what did they do? William Beveridge

13. Who is this and what did they do? Howard Florey

14. Who is this and what did they do? Rosalind Franklin