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Democritus
Democritus discovered the existance of invisible atoms, characterized only by quantive properties, size, shape and motion. -
John Dalton
John proposed the atomic theory which stated atoms of a given element posesses unique characters. -
Wilhelm Roentgen
While using a CRT he observed the chemicals that glowed or what made them glow. -
Neils Bohr
Bohr came up with the "Bohr Planetary Model". The father of Quantam theory, -
JJ Thompson
He discovered electrons.He changed a model to the plum puddin model, and he used a cahtode ray tube. He discribed atoms was like a ball of positive charge. -
Ernest Rulford
Ernest developed planetary model where the nucleus is in the center. Known as "father of nucleus physics". -
Erwin Schrodinger
He developed mathmatical equations to describe the motion of electrons,. -
James Chadwick
Proved existance of neutrons. A theory called "Electron Cloud Theory" which he explained that it ment moving particles. He discovered the existance of neutron. Also a particle within the nucleus that has a mass similar to that of a proton. -
First Atomic Bomb was Dropped
In order to finish World War 2 Waltons and Crockroft's idea they split the atom to create a neclear bomb. -
J Plucker
the first man to build a Cathode Ray tube used to make x-rays.
