Atomic Progression Timeline

Democritus

400

Early philosopher who created the first atomic theory and said that the atom was indivisible and could not be broken down any further

Antoine Lavoiser

Oct 13, 1770

Chemist of the 18th century, and oxygen plays a roll in conbustion as well as figuring various things are made from atoms and elements

John Dalton

Oct 13, 1790

Developed the modern atomic theory. Experimental research led to expansion in science for the atom

Dmitri Mendeleev

Oct 13, 1834

Russian chemist of the 1800's and made the periodic law and created his version of the periodic table

Ernest Rutherford

Oct 19, 1911

Father of nuclear physics and created further thought of creation atoms do

Henry Moseley

Aug 10, 1915

An english physicist who created the first atomic number based off of protons to add to that of the modern day periodic table

Werner Heisenberg

Oct 13, 1925

German theoretical physicist and one of the key pioneers of quantum mechanics.

Erwin Schrodinger

Oct 13, 1927

Nobel prize winning austrian who changed the quantum theory to fit the modern day theory.

Eugene Goldstein

May 3, 1930

Scientist who had discovered Protons to enhance our knowledge on orbiting of the nucleus

J.J Thomson

Oct 13, 1930

English physicist who discovered the electron and developed the plum pudding model

James Chadwick

Oct 13, 1932

English Physicist who discovered the nuetron

Robert Millikan

Aug 23, 1940

Nobel prize winning physicist measured the electronic charge

Max Planck

Oct 4, 1947

Creator of the quantum theory and contributed to the atomic and subatomic processes

Niels Bohr

Jun 9, 1950

Danish physicist who discovered the property of atoms