Penicillin Through the Ages

Penicillin noticed

Dec 10, 1896

Ernest Duchesne, a French medical student, discovered the certain moulds could kill bacteria. His research went unnoticed.

Alexander Fleming's Discovery of Penicillin

Sep 3, 1928

In a careless and messy laboratory, Alexander Fleming discovered that the mold Penicillin notatum could destroy bacteria

Published results

Dec 10, 1929

Fleming published results of his investigations

Demonstration after research

Dec 10, 1939

Howard Florey and collegues at Oxford University did intensive research and were able to demonstrate penicillin's ability to kill infectious bacteria

Priceless

Dec 10, 1940

Penicillin was PRICELESS

Changing Use

Dec 10, 1940

Use of penicillin began because of Howard Florey and Ernst Chain developed powder form of medication

Journey to the USA

Jul 9, 1941

Florey and Norman Heatly came to the Us to start producing penicillin for clinical trials.

Increaseing yeilds

Nov 26, 1941

Heatly and Andrew J Moyer increased the yields of penicillin 10 times

Proven effective

Dec 10, 1943

trials performed, penicillin proved most effective agent to date.

Less expensive

Dec 10, 1943

$20 per dose

Even Less

Dec 10, 1946

$.55