-
460 BCE
Democrtitus
he was born atabdera about 460 bce (c.460 -c.370bc) he contributed to the theory of atomism -
Antoine levoiser
The chemistry Lavoisier studied as a student was not a subject particularly noted for conceptual clarity or theoretical rigour -
John Dalton
He viwed atomnism by the way of meterlogy -
Ernest Rutherford
he discovered of radioactivity in 1896, he discovered nuclear chemistry -
Marie Curie
she discovered nuclear physics in 1896 -
Max Planck
Max Planck solved this problem in 1900 by introducing the theory of quanta, that is, that radiation consists of quanta with specific energies determined by a new fundamental constant, thereafter called Planck's constant. -
Albert Einstein
theoretical physics
Albert Einstein received his Nobel Prize one year later, in 1922. -
Roberts Millikan
In 1910 Robert Millikan succeeded in precisely determining the magnitude of the electron's charge. -
Neils bohr
The discovered of electron and radioactivity at the end of the 19th centry led to different models for the structure of the atom in 1913 -
J.J Thomson
He was Cavendish Professor of Experimental Physics at Cambridge, where he succeeded Lord Rayleigh, from 1884 to 1918 and Honorary Professor of Physics, Cambridge and Royal Institution, London .(https://www.nobelprize.org) -
louis de broglie
in 1924 lous de brolie introduced the idea that particles ,such as electrons (quantum mechanics ) -
Western Heisenberg
In 1925, Werner Heisenberg formulated a type of quantum mechanics based on matrices. -
Erwin Schrodinger
(quantum mechaniecs) in niels bohrs therory of the atom -
James Chadwick
James Chadwick discovered nuclear physics as well as Marie Curie but he discovered it in 1932
