France's Louis Pasteur, a revolutionary scientist

He's known as the "father of microbiology". Louis Pasteur's discoveries provided the foundations of modern medicine and continue to fascinate today. The French scientist's groundbreaking work on microscopic organisms led him to discover - among other things - a vaccine against rabies, and how to prevent milk from going sour. We take a closer look at Pasteur's professional achievements and find out more about the man himself.