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460
Democritus birth
Born in Abdera, Thrace. He created atomic theory, the idea that all things are made up of atoms, very small particles. Democritus is said to be the "father of modern science" -
John Dalton birth
Original model of the atom. Atomic theory. Model looked like a circle. Atomic theory and color blindness. -
Antoine_Lavoisier birth
Influenced chem and biology. Father of modern chemistry. Changed science from qualitative to quantitative. Discovered the role oxygen plays in combustion. Proposed phlogiston theory. Constructed the metric system. -
Joseph Louis Proust
Discovered law of constant composition. Chemical reactions matter isn't created or destroyed. -
Michael Faraday
contributed to the fields of electromagnetism and electrochemistry. established the basis for the concept of the electromagnetic field in physics. Invented electromagnetic rotary devices. discovered benzene, compounds made from carbon and chlorine, C2Cl6 and C2Cl4, -
Joseph John "J. J." Thomson,
Subatomic particles. Plum pudding model. Electrons. -
Ernest Schrodinger
Quantum theory. formulated the wave equation. Current model. -
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Marie & Pierre Curie
Discovered radioactivity with Henri. Married. Studied magnetism. Studied effect of tempeture on paramagnetism. -
Henri Becquerel
Discovered radioactivity with Marie and pierce. Standard unit for radio activity is named after him. -
Albert Einstein
General theory of relativity. Quantum mechanics. Mass-energy equivalence formula, e=mc^2. Established quantum theory. -
Ernest Rutherford
[discovered atoms are mostly empty space. Nucleus. Used the gold foil. -
Robert A. Millikan
measurement of the elementary electronic charge. Measures path or water droplet with electric charge. multiple of the elementary electric charge. Oil dropplet famous. -
Niels Bohr
Circular rotation pattern. Fixed energy levels for electrons. -
Otto Hahn
discovery of nuclear fission -
Lisa Meitner
Worked with Otto on fusion. Was ignored by the noble peace prize committee. -
James Chadwick
Discovered the neutron. -
Glen T. Seaborg
discovery and investigation of ten transuranium elements. -
Aristotle born
Opened the Lyceum. Studied biology. Systematic concept of logic. Objective to come up with universal process of reasoning.
