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Hero of Alexandria (/ ˈ h ɪər oʊ /; Ancient Greek: Ἥρων [a] ὁ Ἀλεξανδρεύς, Hērōn hò Alexandreús, also known as Heron of Alexandria / ˈ h ɛr ən /; probably 1st or 2nd century AD) was a Greek mathematician and engineer who was active in Alexandria in Egypt during the Roman era.
Theon of Alexandria (/ ˌ θ iː ə n,-ɒ n /; Ancient Greek: Θέων ὁ Ἀλεξανδρεύς; c. AD 335 – c. 405) was a Greek [1] scholar and mathematician who lived in Alexandria, Egypt. He edited and arranged Euclid's Elements and wrote commentaries on works by Euclid and Ptolemy. His daughter Hypatia also won fame as a mathematician.
Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron (or Hero) of Alexandria. [ 1 ] Heron studied the pressure of air and steam, described the first steam engine , and built toys that would spurt water, one of them known as Heron's fountain.
The formula is credited to Heron (or Hero) of Alexandria (fl. 60 AD), [4] and a proof can be found in his book Metrica. Mathematical historian Thomas Heath suggested that Archimedes knew the formula over two centuries earlier, [ 5 ] and since Metrica is a collection of the mathematical knowledge available in the ancient world, it is possible ...
In the 1st century AD, a Greek engineer and mathematician, Heron of Alexandria, invented the first steam turbine. Called the Aeolipile, or Heron’s ball, this device consisted of a simple hollow ...
Heron's fountain: Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron of Alexandria. Himation: A himation was a type of clothing, a mantle or wrap worn by ancient Greek men and women from the Archaic through the Hellenistic periods.
In the 1st century AD, mathematician Heron of Alexandria in Roman Egypt invented the first known automatic door. He described two different automatic door applications. The first application used heat from a fire lit by the city's temple priest.
The conquests of Alexander the Great around c. 330 BC led to Greek culture being spread around much of the Mediterranean region, especially in Alexandria, Egypt. This is why the Hellenistic period of Greek mathematics is typically considered as beginning in the 4th century BC.