GENERAL KNOWLEDGE

Detailed explanation-1: -Alexander Fleming was a Scottish physician-scientist who was recognised for discovering penicillin.

Detailed explanation-2: -But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary’s Hospital in London.

Detailed explanation-3: -In the 1920s, British scientist Alexander Fleming was working in his laboratory at St. Mary’s Hospital in London when almost by accident, he discovered a naturally growing substance that could attack certain bacteria.