Chain  (chān)  German-born British biochemist. He isolated and purified penicillin; for this achievement he shared a 1945 Nobel Prize with Sir Alexander Fleming, who discovered penicillin in 1928. |
| Chain, Sir Ernst Boris 1906-1979.
German-born British bacteriologist who, with Howard Florey, developed and purified penicillin in 1939. For this work, they shared a 1945 Nobel Prize with Alexander Fleming, who first discovered the antibiotic in 1928. |