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460
Democritus
Democritus
Democritus was born in 460 BC and died 370 BC. He was a Greek philosopher and was the founder of the atomic theory. He is credited for creating atoms and said that all atoms are infinite in number. -
John Dalton
John DaltonJohn Dalton was born in 1766 and died in 1844. He stated that all matter came from atoms. Atoms cannot be created or destroyed. -
JJ Thomson
JJ ThomsonHe was born on December 18, 1856 and died in 1940. He used cathode ray to discover that atoms have negitive and positive charges. He also created the chocochip model. -
Ernest Rutherford
He was born on August 30, 1871 and died October 19, 1937. -
Niels Bohr
He was born on October 7, 1885 and died on November 8, 1962. He made the Bohr chart -
James Chadwick
He was born October 20 1891 and died on July 24, 1974.
