-
460 BCE
Democratus
Democritus was an influential Ancient Greek pre-Socratic philosopher primarily remembered today for his formulation of an atomic theory of the universe. -
John Dalton
John Dalton FRS was an English chemist, physicist, and meteorologist. He is best known for his pioneering work in the development of modern atomic theory; and his research into colour blindness, sometimes referred to as Daltonism, in his honour. -
J.J. Thomson
Joseph John Thomson (born December 18, 1856, Cheetham Hill, near Manchester, England—died August 30, 1940, Cambridge, Cambridgeshire), English physicist who helped revolutionize the knowledge of atomic structure by his discovery of the electron. -
Ernest Rutherford
Ernest Rutherford, 1st Baron Rutherford of Nelson, OM, FRS was a New Zealand physicist who came to be known as the father of nuclear physics. -
Neil Bohr
Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.
