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If the comet Halley not been seen or studied by Edmond Halley
now would not know of its existence. -
If Joseph had not discovered the new air oxygen, perhaps would not have complete the air compounds.
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if John Dalton had not discovered the atomic weight of the elements on september 6 1803, the periodic table would not be organized like this now.
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if John Hyatt had not invented the plastic in 1860, maybe we would be using more materials for the manufacture of different things.
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if Karl Landsteiner had not invented the blood types for blood transfusion in june of 1901, many people would have died.
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If Albert Einstein not explaining the study of relativity in 1906 and the phisical sciences, would not have explained the matter and energy.
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If Alfred Weger not explained continental drift in 1912, maybe would not known the move of the continents.
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if Albert Einstein had not discovered general relativity in 1915, many of the phisical laws would not have in this moment.
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if James had not discovered insulin in 1922, many people would have died for lack of this medicine.
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If Dimitri Mendeleiev had not organized the elements in the periodic table in 1952, we would not distinguish the differents elements.
