7 Inch Photo Louis Pasteur Caricature

Photograph. Louis Pasteur, caricature

7x5 Inch (18x13cm) Print. Louis Pasteur. Caricature of the French chemist and microbiologist Louis Pasteur (1822-1895) holding a glass of milk. This represents his development of a technique for sterilising milk with heat, a process now called pasteurisation. Pasteur devised this method after finding that many foods and drinks contained harmful microorganisms, but that high temperatures could kill them. He also developed the first vaccines using artificially weakened pathogens, immunising cattle against anthrax and developing the first human ra