Sometimes the grandest discoveries are based on chance! To believe the story of penicillin's discovery is to believe in destiny! It was in leaving his laboratory to go on vacation that the British researcher Sir Alexander Fleming discovered a reaction that would change the course of medicine. Before leaving, the bacteriologist introduced staphylococci in his culture boxes and realized, upon his return, that the fungus did not develop homogenously. Because of this he was able to extract the bactericidal substance capable of destroying the fungus, and named it "penicillin."