Alexander Fleming was born in 1881 in Lochfield, Scotland. He studied medicine in London and served as a doctor in World War I. In 1928, he discovered penicillin after observing that a fungus in his laboratory, Penicillium notatum, killed surrounding bacteria. He discovered that penicillin was an effective antibiotic that could cure previously incurable diseases caused by bacteria. Fleming received the Nobel Prize in 1945 for his discovery of penicillin, which revolutionized medicine.

1. ALEXANDER FLEMING
1881-1955

3. ❝ He was born in Lochfield, Scotland
❝ He studied Medicine in London
❝ He went to the 1st World War as a doctor.
❝ He returned to London and discovered the
penicillin and the lisozime.
❝ He won the Nobel Price in 1945

4. Lochfield, Scotland
Hospital St Mary, London
He discovered Penicilin
1928
He won the Nobel Price in 1945

5. ❝ First World War: He was 33 years old and he studied Medicine. He left the
studies to help the injured people.
Second World War: When it started, Fleming was 57
years old, and when it finished, he received the Nobel Price.

6. ❝ In the 1885, in Spain, the king
Alfonso XIII ruled from 1886 to
1931.
❝ In 1931, started the Second
Republic, until 1936.
❝ Civil War: republican side vs
fascist side (1936-1939)
❝ The fascist side wins and starts
the Franco’s dictatorship (1939-
1975)

7. ALFONSO XIII
SECOND REPUBLIC
CIVIL WAR
FRANCO’S
DICTATORSHIP

8. Scientific Biography
Fleming is mostly known thanks to 2 great
discovers:
PENICILLIN LISOZIME

9. PENICILLIN
How did he discover it?
Fleming was cultivating some
bacteria in the laboratory to
study them when they were
accidentally contaminated by a
fungus. Then he watched this
fungus called Penicillium
notatum, and joining it to
bacteria, it killed them and
stopped their reproduction.
What is it?
Penicillin is an antibiotic which
can cure different diseases. It
was discovered in 1928
Its International Impact:
Penicillin was the first antibiotic
in history and its discovery
revolutionized medicine. Many
diseases caused by bacteria and
that until then were incurable
and fatal , could be cured , such
as scarlet fever , syphilis or
septicemia.

11. SPANISH TEAM
ANDREU RUEDA GUILLEM MARTÍNEZ TRISTÁN FERRER