Pasteurization is used on many foods and drinks, including milk and yogurt! This engaging biography introduces readers to the scientist who first began pasteurization--Louis Pasteur. Featuring vibrant images, easy-to-read text, and intriguing facts, readers will discover the incredible accomplishments of Pasteur and how he dedicated his life to studying various molds, bacteria, and yeast to change science forever. Readers will be encouraged to discover even more through a simple and captivating experiment.