2: A Germ is Life by MARTIN WORTH In the small French town of Arbois stand the graves of Louis Pasteur's three young daughters. Two had died from typhoid, one from an inoperable tumour - a stark reminder of the background to his struggle to find the cause of disease. Music composed by DUDLEY SIMPSON Producer PETER GOODCHILD Director PETER JONES

3: Men of Little Faith by JOHN WILES The early 1870s. Although a revolution is under way in the understanding of disease, ignorance and opposition to the new ideas exist at all levels. Can Pasteur or Koch find a practical outcome of their experiments that will convince the sceptics? Music composed by DUDLEY SIMPSON Film editor ROY FRY Producer PETER GOODCHILD Director PETER JONES