Penicillin, Past, Present And Future -- So far all penicillin in the world is obtained from the natural mould. At Oxford, scientists are attempting to make it sythetically. Dr. Wilson Baker in the laboratory. The problem was first to break down penicillin into its separate elements. This has been accomplished. It remains to build up the structure *****. Fourteen years ago, Professor Fleming of the Chair, of Bacteriology at London University discovered that the mould Penicillium Notatum produced