Time Traveler Prodject Timeline

Main

Democritus

460 BCE - 370 BCE

Lavoisier

August 26 1743 - May 8 1794

Joseph-Louis Proust

September 26 1754 - July 5 1826

John Dalton

6 September 1766 - 27 July 1844

Law of Conservation of Mass Developed

1785

Law of Definite Proportions Developed

1797

Dalton's Atomic Theory Proposed

1803

Dmitri Mendeleev

February 8 1834 - February 2 1907

J.J. Thomson

December 18 1856 - August 30 1940

Marie Curie

November 7 1867 - July 4 1934

Robert A. Millikan

March 22 1868 - December 19 1953

Ernest Rutherford

August 30 1871 - October 19 1937

Niels Bohr

October 7, 1885 - November 18, 1962

Developed the Bohr Model

Erwin Schrodinger

August 12 1887 - January 4 1961

Henry Moseley

November 23 1887 - August 10 1915

James Chadwick

1891 - 1974

Cathode Ray Experiment Conducted

1897

Plum Pudding Model Developed

1904

Rutherford Model Developed

1909

Gold Foil Experiment Conducted

1911

Quantum Mechanical Model Created

1913

The Bohr Model

1915

Proposed by Niels Bohr in 1915