What were the contributions of Louis PAsteur during the Industrial revolution?

Louis Pasteur made significant contributions during the Industrial Revolution by developing the germ theory of disease, which established the link between microorganisms and illness. His work in pasteurization transformed food and beverage safety by demonstrating how heating could kill harmful bacteria, thus revolutionizing industries such as brewing and dairy. Additionally, his development of vaccines for diseases like rabies and anthrax laid the groundwork for modern immunology, greatly impacting public health and safety during that era.