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Feb 19, 1473
Copernicus is born
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Mar 3, 1532
Copernicus completes On the Revolutions of the Celestrial Sphere and waits to publish it
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May 24, 1543
Copernicus dies
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Feb 15, 1564
Galileo was born
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Galileo had his first astronamical observation with a telescope
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Galileo saw, for the first time, the four biggest moons of Jupiter
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Galileo made observations of Venus
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Galileo publishes the Dialouge concerning the Two Chief World Systems
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Galileo published Discources and Mathematical Demonstrations
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Galileo dies
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Isaac Newton was born
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Newton proved that white light was composed of all colors
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Isaac Newton publishes Mathematical Principles of Natural Philosophy
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Isaac Newton dies
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Hubble is born
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Hubble graduates from the University of Chicago
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Hubble demonstrates that there are galaxies beyond the MIlky Way
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Hubble's law about the expansion of the universe
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Hubble discovers asteroid 1373 Cincinnati
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Hubble helps design the Hale Telescope on Mount Palomar in California
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Hubble dies