following is the list of famous scientists of the past era, and their remarkable inventions:
581-497 B.C.
Pythagoras - Greek philosopher and mathematician
384-322 B.C.
Aristotle - updated engraving; Greek philosopher, educator and scientist; undertook a large-scale classification of plants and animals
c.1397-c.1468
Johann Gutenberg - a craftsman from Mainz, Germany. The Printing Press.
1473-1543
Nicholas Copernicus - Polish astronomer; regarded the founder of modern astronomy.
1596-1650
Rene Descartes - French mathematician and philosopher; developed atomic theory
1608-1647
Evangelista Torricelli - Italian physicist and mathematician; invented the barometer (1643).
1623-1662
Blaise Pascal - French mathematician and scientist for whom the SI unit of pressure (Pascal) was named.
1642-1727
Issac Newton - English mathematician and scientist; developed theory of matter; developed the law of gravitation.
1656-1743
Edmund Halley - English astronomer; discovered the proper motion of stars and the periodicity of comets. Halley's comet
1706-1790
Benjamin Franklin - American statesman and philosopher; experimented with electricity; showed that electricity could magnetize and demagnetize iron needles.
1736-1819
James Watt, The Steam Engine.
1778-1850
Joseph Louis g*y-Lussac - French chemist and physicist; developed the law of volumes concerning the combination of gases; discovered boron.
1805-1869
Thomas Graham - Scottish chemist; studied diffusion of gases which led to the formulation of Graham's Law.
1811-1899
Robert Wilhelm Bunsen - German chemist; helped to develop the spectroscope; introduced the Bunsen burner
1822-1895
Louis Pasteur - French chemist and microbiologist; developed the process of pasteurization.
1824-1907
William Thompson (Lord Kelvin) - English mathematician and physicist; recognized the existence of absolute zero; proposed the Kelvin temperature scale (1851).
1859-1906
Pierre Curie - French physicist; researched radioactivity, he and wife, Marie, discovered radium and polonium (1898); they shared the Nobel Prize for physics (1903) with Antoine-Henri Becquerel.
1867-1934
Marie Curie - French physicist; researched radioactivity; she and husband, Pierre, discovered radium and polonium (1898); they shared the Nobel Prize for physics (1903) with Becquerel; Marie received the Nobel Prize for chemistry (1911).
1879-1955
Albert Einstein - American physicist born in Germany; the invention of the photoelectric cell; published his general theory of relativity (1915) which contained a new description of gravity; received the Nobel Prize for physics for his work in quantum physics (1921).
1881-1955
Alexander Fleming - Scottish bacteriologist; isolated lysozyme from tears (1922); observed a mold, he named penicillin, that prevented bacterial growth.
1886-1956
Clarence Birdseye - American inventor and businessman; developed method for preserving foods by quick-freezing (1916-1928); formed General Foods Company (1924).
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