Scientists & Inventors
Elementary Particle Physicists


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400BC: Democritus & Leucippus, Greek: proposed that all matter is made of indivisible particles called atoms and that between atoms lies empty space.

1675: Isaac Newton, English: proposed a particle theory of light (based on Pierre Gassendi's views).

1803: John Dalton, English: proposed that each chemical element is composed of atoms of a unique type and they can combine to form chemical compounds and that atoms of different elements have different atomic weights.

1895: Wilhelm Röntgen, German: produced and detected X-rays or Röntgen rays (photons), an achievement that earned him the first Nobel Prize in Physics in 1901.

1897: J.J. Thomson, British: discovery of the electron; Nobel laureate.

1899: Ernest Rutherford, New Zealand-British: discovered Alpha particle in uranium radiation; Nobel laureate.

1899: Max Planck, German: Planck constant; Nobel laureate.

1905: Albert Einstein, German-American: proposed a quantum of light (the photon) which behaves like a particle (the photoelectric effect); Nobel laureate.

1909: Ernest Rutherford, New Zealand-British: the gold foil experiment - suggesting that atoms have a small, dense, positively charged nucleus; Nobel laureate.

1917: Ernest Rutherford, New Zealand-British: finds the first evidence for a proton; Nobel laureate.

1932: James Chadwick, English: discovery of the neutron; Nobel laureate.

1932: Carl D. Anderson, American: discovered the antielectron (or positron); Nobel laureate.

1939: Lise Meitner (Austrian-Swedish) and Otto Hahn (German; Nobel laureate): discovered nuclear fission.

1964: Murray Gell-Mann (American; Nobel laureate) and George Zweig (Russian- American; Nobel laureate): proposed the quark model.

1960s: Sheldon Glashow (American) & Steven Weinberg (American) & Abdus Salam (Pakistani): the standard model - unification of the weak force and electromagnetic interaction between elementary particles; Nobel laureates.

1973: Makoto Kobayashi (Japanese; Nobel laureate) and Toshihide Maskawa (Japanese; Nobel laureate): theorized the bottom quark and top quark.

1974-1977: Martin Lewis Perl, American: detected the tau lepton in a series of experiments; Nobel laureate.


Elementary Particle Physics for Kids and Beginners
The Standard Model - CERN
Understanding Particle Physics for Kids! - FunTrivia.com
Elementary Particles: Basic Constituents of Matter
Particle physics
Antimatter:Mirror of the Universe - CERN
The Particle Adventure
Big Bang Science
Physics for Kids - Elementary Particles - Quarks, Bosons, Leptons
The Elegant Universe - PBS
All about CERN in 7 Questions - CERN

Glossaries and Dictionaries
Particle Physics Glossary
Elementary Particle Physics Glossary

General Elementary Particles Resources
Inquiring Minds - Fermi National Accelerator Laboratory
Elementary particle - Wikipedia
Standard Model
String theory
Elementary Particles made thinkable (interactive visualisation)
Elementary Particles
Captive elementary particles
Elementary Particles and the World of Planck Scale
Particle Physics Fundamentals: Introduction to Elementary Particle Physics

Timelines
Timeline of particle discoveries
Particle Physics Timeline
A Timeline of Particle Discoveries

Humor & Trivia
Particle Physics Quiz
Quiz - A Brief History of Particle Physics

Science Fair Projects
Nuclear Physics

Physics Experiments
Robert Millikan: The Oil-Drop Experiment

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