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Tag: Ptolemy

Archive for Ptolemy

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0010 – Heron – bio

Heron was born around 0010 and was a Greek mathematician, engineer and inventor who lived in Alexandria, Egypt when it was a province of the Roman Empire. He designed the first known simple steam engine (the aeolipile or Hero’s engine), the first vending machine, a wind powered organ, a water displacement pump (fire engine pump), […]

1546 – Brahe – bio

Tycho Brahe was born in 1546 in Sweden. He was an astronomer and alchemist who is known for his contributions to astronomy. While he was probably the last astronomer to work mostly without a telescope, he revolutionized the use of precise instrumentation in astronomy. Because of this precision, he was able to discover and document […]

-0330 – Theophrastus – bio

Theophrastus was a Greek biologist and botanist, who also made contributions to the fields of philosophy, logic, physics, ethics and language. He has been called “the father of taxonomy” because of his work on systematically classifying plants. He applied the same kind of methodology to a book that described moral outlines of characters in a […]

1571 – Kepler – bio

Born in 1571 in the Stuttgart region of Germany, Johannes Kepler was a mathematician and astronomer. Kepler became the first published defender of the heliocentric theory of Copernicus. He described planetary orbits as platonic solids and then realized that the orbits are eliptical. Kepler studied the golden ration and wrote this about it: “Geometry has […]