On This Day

Alexander Fleming

Biologist Alexander Fleming

Profession: Biologist

United Kingdom

Biography: Best-known for discovering the enzyme lysozyme in 1923 and the antibiotic substance penicillin from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.

Born: August 6, 1881
Birthplace: Darvel, Ayrshire, Scotland
Star Sign: Leo

Died: March 11, 1955 (aged 73)
Cause of Death: Heart attack

Married Life

  • 1915-12-22 Biologist Alexander Fleming (34) weds Sara McElroy
  • 1953-04-09 Biologist Alexander Fleming (71) weds doctor Amalia Koutsouri-Vourekas (41)

Historical Events

  • 1928-09-15 Scottish bacteriologist Alexander Fleming discovers penicillin while studying influenza

Biographies and Sources

Famous Biologists