Lengthy lunch?

This crossword clue is for the definition: Lengthy lunch?.
it’s A 14 letters crossword puzzle definition.
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Possible Answers: HERO.

Last seen on: LA Times Crossword 27 May 2018, Sunday

Random information on the term “HERO”:

Hero of Alexandria (/ˈhɪəroʊ/; Greek: Ἥρων ὁ Ἀλεξανδρεύς, Heron ho Alexandreus; also known as Heron of Alexandria /ˈhɛrən/; c. 10 AD – c. 70 AD) was a mathematician and engineer who was active in his native city of Alexandria, Roman Egypt. He is considered the greatest experimenter of antiquity and his work is representative of the Hellenistic scientific tradition.


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Hero published a well recognized description of a steam-powered device called an aeolipile (sometimes called a “Hero engine”). Among his most famous inventions was a windwheel, constituting the earliest instance of wind harnessing on land. He is said to have been a follower of the atomists. Some of his ideas were derived from the works of Ctesibius.

Much of Hero’s original writings and designs have been lost, but some of his works were preserved in Arabic manuscripts.

Hero may have been either a Greek or a Hellenized Egyptian. It is almost certain that Hero taught at the Musaeum which included the famous Library of Alexandria, because most of his writings appear as lecture notes for courses in mathematics, mechanics, physics, and pneumatics. Although the field was not formalized until the twentieth century, it is thought that the work of Hero, his automated devices in particular, represents some of the first formal research into cybernetics.

HERO on Wikipedia