Thanks to his works on germ theory, fermentation and the refutation of the theory of spontaneous generation, he received the Copley Medal (1874), the Jecker Prize (1861) and the Alhumbert Prize ( 1862). Some other wards and honors bequeathed to Pasteur were the Leeuwenhoek Medal, Grand Cross of the Legion of Honor and commander of the Brazilian Order of the Rose. Sadly, on September 28, 1895. He had suffered from strokes all his life and a serious one in 1894 severely weakened him, so much so that he was unable to