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John Dalton

Born: September 6, 1766

Contribution: (1803) Dalton's Law is: Certain gases can only combined in certain proportions, regardless if the two different compounds shared the same average element or compound.

Awards: No Awards

Died: July 27, 1844

Sources: http://www.biography.com/people/john-dalton-9265201,

http://www.famousscientists.org/john-dalton/, &

http://www.evi.com/q/when_did_john_dalton_die

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John Dalton's Atomic Model

John Dalton's Atomic Model Shown Below:

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J.J Thomson

Born: December 18, 1856

Contribution: (1895-1897) Discovery of the Electron

Awards: Nobel Prize in Physics (1906)

Died: August 30, 1940

Sources: http://www.nobelprize.org/nobel_prizes/physics/laureates/1906/thomson-bio.html#, http://www.atomicarchive.com/Bios/Thomson.shtml, & http://www.pbs.org/transistor/science/events/electron.html

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J.J Thomson's Atomic Model

J.J Thomson's Atomic Model Shown Below

Nickname:

"Plum

Pudding

Model"

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Hantaro Nagaoka

Born: August 15, 1865

Contribution: (1903) First to present Saturnian Model of the Atom

Awards: N/A

Died: December 11, 1950

Sources: http://scienceray.com/physics/hantaro-nagaoka/,&

http://www.japanese-greatest.com/technology/atomic-model.html

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Hantaro Nagaoka's Atomic Model

Hantaro Nagaoka's Atomic Model Shown Below

Nickname:

"Saturnian

Model"

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Ernest Rutherford

Born: August 30, 1871

Contributions: (1896-1899) Radioactivity Discovered and Identified (alongside with Marie Curie and Henri Becquerel).

(1909-1911) Identification of an Atomic Nucleus (with help from H. Geiger).Gold Foil Experiment: October 25, 1909

Awards: Nobel Prize in Chemistry (1908)

Died: October 19, 1937

Sources:http://web.neo.edu/rjones/Pages/1014new/Lecture/chemistry/chapter_8/pages/history_of_atom.html, http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1908/rutherford-bio.html & http://www.timetoast.com/timelines/the-history-of-atomic-theory

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Ernest Rutherford's Atomic Model

Ernest Rutherford's Atomic Model Shown Below

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Niels Bohr

Born: October 7, 1885

Contributions: (1913) Atomic Structure Published

Awards: Nobel Prize in Physics (1922)

Died: November 18, 1962

Sources: http://www.nobelprize.org/nobel_prizes/physics/laureates/1922/bohr-bio.html, &

http://www.famousscientists.org/niels-bohr/

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Niels Bohr's Atomic Model

Niels Bohr's Atomic Model Shown Below

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Erwin Schrodinger

Born: August 12, 1887

Contributions: (1926) Schrodinger's Wave Equation & (1933) Discovering new productive forms of atomic theory (alongside with Paul Dirac).

Awards: Nobel Prize in Physics (1933) *Note: Shared with Paul Dirac

Died: January 4, 1961

Source: http://www.nobelprize.org/nobel_prizes/physics/laureates/1933/schrodinger-bio.html, &

http://www.nobelprize.org/nobel_prizes/physics/laureates/1933/

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Erwin Schrodinger's Atomic Model

Erwin Schrodinger's Atomic Model Shown Below

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James Chadwick

Born: October 20, 1891

Contribution: (1932) Discovery of the Neutron

Awards: Nobel Prize in Physics (1935)

Died: July 24, 1974

Sources: http://www.nobelprize.org/nobel_prizes/physics/laureates/1935/chadwick-bio.html,

http://www.famousscientists.org/james-chadwick/, &

http://www.light-science.com/chadwick.html

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James Chadwick's Atomic Model

James Chadwick's Atomic Model Shown Below

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Louis-Victor de Broglie

Born:August 15, 1892

Contribution: (1924-1927) Suggested that moving particles like electrons have properties like waves.

Awards: Nobel Prize in Physics (1929), Kalinga Prize (1952)

Died: March 19, 1987

Sources: http://www.nobelprize.org/nobel_prizes/physics/laureates/1929/broglie-bio.html, http://www.timetoast.com/timelines/contributions-to-the-atomic-theory, & http://www.britannica.com/EBchecked/topic/80727/Louis-Victor-7e-duke-de-Broglie

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