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Alexander Fleming

Scottish biologist, pharmacologist, botanist, and Nobel laureate (1881–1955)

Knowledge panel

Occupation

Scottish biologist, pharmacologist, botanist, and Nobel laureate (1881–1955)

Born in

Lochfield

Born

August 6, 1881

Zodiac

Leo

26,880

days lived

73

age at death

Born
August 6, 1881 in 🇬🇧Lochfield
Died
March 11, 1955 in London (aged 73)
Zodiac
♌︎Leo·snake 🐍
Updated Jul 2026

Birth Chart

Natal Chart

Alexander's Birth Chart

Astrology
♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎☉☽☿♀♂♃♄⛢♆♇
Fire
Earth
Air
Water
☉

Sun Sign

Leo♌︎

☽

Moon Sign

Capricorn♑︎

Dominant Element

Fire

⚠️ Rising sign requires birth time for accurate calculation

Planetary positions calculated for August 6, 1881

Day Lookup ToolDay MilestonesOn This Day
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⚡ Timeline
1955
Day 26,879
Age 73

Death of Alexander Fleming

Confidence
96%
Mar 11, 1955

Fleming dies in London of a heart attack.

1953
Day 26,178
Age 71

Marriage to Amalia Koutsouri-Vourekas

Confidence
96%
Apr 9, 1953

Fleming marries Amalia Koutsouri-Vourekas in London.

1945
Day 23,431
Age 64

Nobel Prize in Physiology or Medicine

Confidence
96%
Oct 1, 1945

Fleming shares the Nobel Prize with Florey and Chain.

1944
Day 22,792
Age 62

Knighted by King George VI

Confidence
96%
Jan 1, 1944

Fleming is knighted for his scientific achievements.

1943
Day 22,427
Age 61

Elected Fellow of the Royal Society (FRS)

Confidence
96%
Jan 1, 1943

Fleming is recognized for his contributions to science.

1940
Day 21,331
Age 58

Discovery of Penicillin's Therapeutic Effect

Confidence
96%
Jan 1, 1940

Fleming demonstrates penicillin's therapeutic potential.

1928
Day 17,219
Age 47

Discovery of Penicillin

Confidence
96%
Sep 28, 1928

Fleming discovers penicillin in his laboratory.

Day 16,948
Age 46

Professor of Bacteriology

Confidence
96%
Jan 1, 1928

Fleming becomes Professor of Bacteriology at St. Mary's.

1924
Day 15,487
Age 42

Birth of Son, Robert Fleming

Confidence
96%
Jan 1, 1924

Fleming's only child, Robert, is born.

1922
Day 14,757
Age 40

Discovery of Lysozyme

Confidence
96%
Jan 1, 1922

Fleming discovers lysozyme, an antibacterial enzyme.

1915
Day 12,557
Age 34

Marriage to Sarah Marion McElroy

Confidence
96%
Dec 24, 1915

Fleming marries Sarah Marion McElroy.

1914
Day 11,835
Age 32

Lieutenant in the Royal Army Medical Corps

Confidence
96%
Jan 1, 1914

Fleming serves in WWI, researching wound infections.

1906
Day 8,913
Age 24

Bacteriologist at St. Mary's Hospital

Confidence
96%
Jan 1, 1906

Fleming begins work as a bacteriologist.

1902
Day 7,452
Age 20

Joins Almroth Wright's Inoculation Department

Confidence
96%
Jan 1, 1902

Fleming begins working with Almroth Wright.

1901
Day 7,087
Age 19

St. Mary's Hospital Medical School

Confidence
96%
Jan 1, 1901

Fleming enrolls at St. Mary's Hospital Medical School.

1897
Day 5,627
Age 15

Studies at Polytechnic Institution

Confidence
96%
Jan 1, 1897

Fleming attends the Polytechnic Institution.

1895
Day 4,896
Age 13

Studies at Kilmarnock Academy

Confidence
96%
Jan 1, 1895

Fleming attends Kilmarnock Academy.

1881
Day 0
Age 0

Birth of Alexander Fleming

Confidence
96%
Aug 6, 1881

Alexander Fleming is born in Ayrshire, Scotland.