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400
Aristotle
promoted the idea that the universe was made from Earth, air, fire, and water. He did not believe in the atom theory. 400 BC -
460
Democritus
theorydeveloped an atomic theory to explan changes in the world as chanes in the motion of atoms. 460 BC -
Antonie Leeuwenhoek
Antknown as “the father of microbiology” considered the first microiologist. Known for improvement of the microscope -
Joseph Proust
proved the law of definite proportions. Proust's discovery for the atomic theory is often named proust's law. -
John Dalton
Atomic Theory which states that all consists of atoms and connot be created or destroyed. Was later disproved. 1800s -
Amadeo Avagadro
His law states that two samples of an idea gas which have the same temperature, pressure, and volume will also have the same number of molecule -
William Crooks
discovered cathode ray when he say flass proceeed by radiation striking a light producint coating. Led to invenetion of the TV -
George Crum
chips were invented when chef, George Crum, out of anger, smashed a potato french fry then put it back in the fryer. -
Ernest Rutherfod
Rutherford's discovery came the realization of the idea of he nucleus- a small, dense concentration of charge and mass -
J.J. Thomson
proved Dalton's theory wrong. Discovered the first subatomic particle- the electron. -
Dr. John Kellogg
Dr John KelloggDr. John Kellogg accidently invented Kellogg's Cornflakes when he let some boiled wheat sitting out and went stale. -
Henri Becquerel
discovered radioactivity -
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Max Planck
studied and discovered that matter can gain orlose energy only in a small specific amounds called quanta -
Hubert Booth
invents modern vacuum cleaner -
James Mackenzie
Lie detector was invented -
Edwin Biney
Crayons were invented by Edwin Biney and C. Harold Smith and only came with 8 colors. -
Mary Anderson
Mary Anderson invents windshield wipers -
Albert Einstein
e=mc2Theory of Relativity is born and applies his theory to mass and energy formulates e=mc2 -
Robert Milikan
Calculated the mass of an electron -
Niels Bohr
Young danish physicisy proposed a quantum model for the hyrogen atom. -
Henry Moseley
Discovered a better way of position the elements in the Periodic Table closer determination of atomic numbers -
Louis DeBroglie
introduced his theory of electron waves -
Erwin Schrodinger
discovery of results in the field of quantam physics. Developed the paradox of Schrodinger's cat. -
Werner Heisenberg
1894- Dr. John Kellogg accidently invented Kellogg's Cornflakes when he let some boiled wheat sitting out and went stale. -
James Chadwick
Was a Nobel alsureate in field of physica. In 1932, he discovered the neutron in the atomic nucleus. -
Richard James
Richard James was trying to invent a spring that would support equipment on ships. When one of the springs fell off and continued moving he saw it as a potential toy and then named it the Slinky. -
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James Wright
Making SIlly puttySilly Putty was accidently invented when James Wright dropped boric acid into silicone oil. He thought it would be a great toy. -
Noah McVicker
Play Doh was invented when Joseph and Noah McVicker when they were trying to make a wallpaper cleaner.
