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Period: 400 to
Old dude time line
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460
Democritus
~Born 460 BC
~Ancient Greek philosopher
~Born in Abdera, Thrace, Greece
~Was a pre-Socratic philospher and pupil of Leucippus, who fromed a atmic theory for the cosmos
~his atoms were indestructible, indivisible, imcompressible, uniform, and differing only in size, shape, and motion
~"Laughing Philosopher"
~"Father of Modern Science
~ Died 370 BC at the age of 90 -
Period: Feb 26, 1000 to
Medieval Alchemy
~Was a mixture of science, philosophy and mysticism -
John Dalton
~Born September 6th 1766 in to a Quaker family
~He was an Englsh chemist, meterorologist and physicist.
~Best known for his work in the development of moder atomic theory
~His research into colour blindness (Daltonism)
~1793 first publication was Meteorological Observations
~1794 was elected a member of the Manchester Literary and Philosophical Society
~1803 published Dalton's law
~suffered a minor stroke in 1837
~another stroke in 1838 that left him with a speech impediment
~Died July 27 1844 -
Henri Becquerel
~Born December 15th 1852
~A french physicist and Noble Laufeate
~Discovered radioactivity along with Marie Curie and Pierre Curie
~All three of them won the noble prize in physics in 1903
~Comes from a family of generations of scientists
~In 1892 was the third in his family to occupy the physics chair inat the Museum National d'Historie Naturelle
~In 1894 became cheif engineer in the Department of bridges and highways
~Died August 25th 1908 -
J.J Thomson
~Born December 18 1856
~Was a British physicist and nobel laureate
~Discovered the electron and isotopes
~The invention of the mass spectrometer
~Was awarded the noble prize in physics for the discovery of the electron and for his work on the conduction of electricity in gases in 1906
~Died August 30 1940 -
Pierre Curie
~Born May 15th 1859
~French physicist
~Resurched crystallograph, megnetism, plezoelectricity and radioactivity
~Son of Dr. Eugene Curie
~In 1903 received the Nobel Prize in physics, with his wife and Henri Becquerel
~In 1880 Pierre an his brother Jacque created demonstrated piezoelectricity
~Died July 24th 1974 -
Marie Curie (Marie Sklodowska)
~Born November 7th 1867
~A french physicist and chemist famous for her work on radioactivity
~First person honored with two noble prizes in physics and chemistry
~First female professor at the University of Paris
~She named the first new chemical element that she discovered polonium in 1898
~Married to Pierre Curie
~Died July 4 1934 -
Ernest Rutherford
~Born August 30th 1871
~Was a New Zealand-born British chemist and physicist
~known as the father of nuclear physics
~Discovered radioactive half life
~Was awarded the noble prize in chemistry
"for his investigations into the disintergration of the elements, and the chemistry of radioactive substances"
~1911 pioneered the Rutherford model
~first "spliting the atom" in 1917
~The chemical element rutherford was named after him in 1997
~Died October 19th 1937 -
James Chadwick
~Born October 20th 1891
~Born in Bullington Cheshire
~In 1913 worked with Hans Geiger at the Technical University of Berlin
~ He was in Germany at the start of World War 1
~There he worked on the ionization of phosphorus
~ In 1935 was awarded the noble prize in physics for the discovery of the neutron
~Died July 24th 1974
