1. A cartoon from the 1880s.
What does the cartoon show? Look at the version on p.125, too for details
 How useful is it in understanding how scientists helped to improve the treatment of disease?

2. How important was Robert Koch?
 Key words: anthrax Petri dish
How important was Robert Koch?
 LOs
TBAT explain the key achievements of Koch and compare his work to Louis Pasteur

3. What has this got to do with germ theory. Read p
What has this got to do with germ theory? Read p to find out  Pasteur once said, ‘Chance favours the prepared mind’ – who does this more apply to, the work of Pasteur or Koch?

4.  Your task Read about the work of Robert Koch. On p.124-5
Around the picture of a Petri dish record evidence of how these factors helped: war; technology; individual genius; chance
Supplement your notes on Pasteur
Identify other factors in the development of Germ Theory

5. Koch - factors
War: Franco-Prussian War, turned the two into rivals
Technology: had a well-equipped laboratory like Pasteur; used photography to record bacteria; grew bacteria on petri dishes (and potatoes!); used dyes to identify bacteria, e.g. TB; microscope
Individual genius: first to prove an individual bacterium caused disease - Anthrax
Chance
Other factors?

6. Pasteur - factors
Teams: worked in teams, e.g. including Charles Chamberland, on development of vaccine for chicken cholera
Trade: farmers wanted cure for chicken cholera which was decimating industry
Chance: Chamberland injected chickens with old strain of chicken cholera bacteria; tested rabies vaccine on Joseph Meister
Attitudes & enquiry: Pasteur familiar with Jenner’s work; injected Meister 13x

7. This house believes Pasteur contributed more towards the treatment of disease

8. Robert Koch, German scientist in his laboratory
 Homework
Who contributed more to the treatment of disease?
Louis Pasteur
Robert Koch
Remember to include an introduction, use topic paragraphs (one for each individual) and reach a conclusion.
Use detailed evidence from your notes
Robert Koch, German scientist in his laboratory

10.  Extension task
Visit the History Learning website to find out more about Robert Koch and Louis Pasteur.
Write an imaginary interview with Pasteur