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Atomic History
When: Not Mentioned. Where: Greece What:He was an influential per-Socratic philosopher and pupil of Leucippus, whoformulated an atomic theory or the cosmos. His theory was that everything was made of atoms, he thought they were always in motion and that they were endless.
When: 1897 Where: England What: He wrote a series of essays, where he talked about gases, pressure and a few more topics. He then made those four essays in to a book, which he titled Experimental Essays. He concluded that that the variation of vapor pressure for all liquids is equivalent, for the same variation of temperature, reckoning from vapor of any given pressure.
When: 1897 Where: Germany What: He is credited for the discovery of electrons and isotopes, also also the invention of the mass spectrometer. He was awarded the Nobel Prize in Physics for his work in conduction of electricity in gases.
When: 1911 Where: United Kingdom What:British chemist and physicist who later became known as the father of nuclear physics. He is widely credited with first splitting the atom in 1917 in a nuclear reaction between nitrogen and alpha particles, in which he also discovered and also named the proton. He is now considered one of the greatest scientists of The United Kingdom. The chemical element rutherfordium, number 104 was named after in him 1997.
John Dalton
Alchemist
Niels Bohr
Ernest Rutherford
Aristole
JJ Thompson
When: 1920's and 30's Where: Germany What:He made fundamental contributions to understanding atomic structure and quantum mechanics ed the Nobel Prize in Physics in 1922. He was part of a team of physicists working on the Manhattan Project. Bohr has been described as one of the most influential scientists of the 20th century.
When: 16th Century Where: Rome What: What: this was an ancient tradition, which was said to turn base metals into gold and silver. It is important that this was not one person, but a group. Practical applications of alchemy produced a wide range of contributions to medicine and the physical sciences. Studies of alchemy also influenced Isaac Newton's theory of gravity
Democritus
When: 335 to 323 BC Where: Athens What:Concerning the make up of matter, Aristotle followed prior Greek philosophy with an adapted theory of elements. He was not an atomist like Democritus. In particular he proposed a fifth element, aether, in addition to the more common four proposed earlier by Empedocles. He also credited for the first form of logic,
