-
400 BCE
Democritus
Democritus introduced the Idea of the Atom as the building block of matter.
(Source : https://www.britannica.com/biography/Democritus) -
400 BCE
Plato
Plato discovered that there are only five shapes whose sides are made from regular polygons, and believed that one of these had to be the shape of the atom. -
1500
The Alchemists
Created the Philosopher's stone
(Source : https://www.alchemergy.net/articles/The_Philosophers_Stone-Hauck.pdf ) -
Robert Boyle
Discovered Boyle's Law, the First Gas Law of Many. (Source : https://www.famousscientists.org/robert-boyle/) -
Antoine Lavoisier
Discovered Oxygen
(Source : https://www.britannica.com/biography/Antoine-Lavoisier) -
John Dalton
Came up with the First Atomic Theory of Matter
(Source : https://www.britannica.com/biography/John-Dalton) -
Amadeo Avogadro
discovered that an equal volumes of different gasses contain the same amount of molecules as long as they are at the same temperature and pressure.
(Source : https://www.britannica.com/biography/Amedeo-Avogadro ) -
Dmitri Mendeleev
Dmitri Mendeleev made the first periodic table of elements.
(Source : https://www.britannica.com/biography/Dmitri-Mendeleev ) -
JJ Thompson
JJ Thompson discovered the Electron.
(Source : https://www.britannica.com/biography/J-J-Thomson ) -
Marie Curie
Marie Curie discovered Radium and Polonium.
(Source: https://www.britannica.com/biography/Marie-Curie ) -
Albert Einstein
Theory of Relativity- E=MC[2]
(source : https://www.britannica.com/biography/Albert-Einstein) -
Robert Millikan
Robert Millikan determined the magnitude of the charge of the electron.
(Source : https://www.britannica.com/biography/Robert-Millikan ) -
Niels Bohr
Niels Bohr proposed a theory for the Hydrogen Atom in 1913 (Source: https://www.nobelprize.org/prizes/physics/1922/bohr/biographical/) -
-
Ernest Rutherford
Ernest Rutherford was known for his studies of Radioactivity, as well as his studies of the atom. He won the Copley medal for it in 1922.
(source : https://www.nobelprize.org/prizes/chemistry/1908/rutherford/biographical/) -
Werner Heisenberg
Discovered that the position and momentum of an object cannot both be known in exacts.
(Source : https://www.britannica.com/biography/Werner-Heisenberg ) -
Erwin Schrodinger
Made the Schrodinger equation to calculate the hydrogen atom's energy level.
(Source : https://www.britannica.com/biography/Erwin-Schrodinger ) -
James Chadwick
James Chadwick proved the existence of neutrons
(Source : https://www.britannica.com/biography/James-Chadwick )