Part 1 of Essay
PASTEUR, Louis (1822-95). The French chemist Louis Pasteur devoted his life to solving practical problems of industry, agriculture, and medicine. His discoveries have saved countless lives and created new wealth for the world. Among his discoveries are the pasteurization process and ways of preventing silkworm diseases, an ....

Part 2 of Essay
.... at the Collège Royal de Besançon. For the next three years he tutored younger students and prepared for the École Normale Supérieure, a noted teacher-training college in Paris. As part of his studies he investigated the crystallographic, chemical, and optical properties of various forms of tartaric acid. His work laid the foundations for later study of the geometry of chemical bonds. Pasteur's investigations soon brought him recognition and also an appointment as assistant to a professor of chemistry. Pasteu ....