His best-known achievements are the discovery of the enzyme lysozyme in NUMBER@1 and the antibiotic substance penicillin from the fungus Penicillium notatum in NUMBER@2 , for which he shared the MISC@1 in NUMBER@3 with PERSON@1 and ORGANIZATION@1 .

He shared a MISC@1 in NUMBER@3 for this discovery with PERSON@1 and ORGANIZATION@1 .
