Atomic Theory Timeline

Main

Gutenberg printing press

1450

Discovery of the Americas

1492

Reformation of the Catholic Church

1518

Galileo convicted of heresy

1613 - 1642

He was convicted and charged of crimes against the catholic church until he died.

Joseph Priestly

1770

discovered oxygen, carbon monoxide, and nitrogen dioxide

Declaration of Independence

1776

Antoine Lavoisier

1789

law of conservation of mass; father of modern chemistry

Alessandro Volta

1800

electrochemical cell and batteries

John Dalton

1803

He proposed the Atomic Theory.

Michael Faraday

1831

electricity and electrochemistry

Louis Pasteur

1848

pasteurization process

Civil War

1861 - 1865

Alfred Nobel

1863 - 1896

dynamite, Nobel prize
I found that his idea for the Nobel prize was written in his will so about a year after he died they followed through with his wishes and awarded him the first of many Nobel piece prizes.

First transcontinental railroad in US

1863 - 1869

Eugen Goldstein

1886

He discovered protons.

Henri Becquerel

1896

radioactivity

Guglielmo Marconi

1896

radio

J.J. Thomson

1897

He discovered the electron.

Marie Curie

1898

radioactivity

Max Planck

1900

He formulated an equation describing the Blackbody Spectrum. His quantum theory was successfully applied to the photoelectric effect by Einstein and the atom by Niels Bohr.

Ernest Rutherford

1903

He discovered half life with radioactivity.

Albert Einstein

1905

He created the Special Theory of Relativity (E=MC2)

Robert Millikan

1909

He determined the charge on an electron.

Niels Bohr

1913

He proposed a successful quantum model of the atom. Known today as the Bohr model.

Henry Moseley

1913

He determined the number of positive charges in the nucleus.

Assassination of Archduke Ferdinand

1914

Bolshevik Revolution

1917 - 1923

Treaty of Versailles

1919

Sir Frederick Banting

1921

isolated insulin

Louis deBroglie

1923

He proposed the duality principle.

Erwin Schrodinger

1926

He invented wave mechanics.

Philo Farnsworth

1927 - 1929

TV
I found that he created his first TV in 1927 which was a very small model and later developed it into a more complex model and got it patented in 1929.

Werner Heisenberg

1927

He created the Uncertainty Principle.

James Chadwick

1932

He experimented with protons which lead to his discovery of neutrons.

Leo Szilard

1932 - 1945

nuclear chain reactions and atomic bomb
I learned that he worked/experimented with his scientific concepts of atoms for many years until creating the infamous atom bomb we know today.

Wallace Carothers

1934

neoprene and nylon

Bombing of Pearl Harbor

1941

First cellular phone

1973

Initial concept for world wide web (internet)

1982

Kary Mullis

1983

polymerase chain reaction