photo neededIn existographies, Metrodorus (c.430-350BC), aka “Metrodorus of Chios”, not to be confused with Epicurean philosopher “Metrodorus the younger” (c.331-278BC), was a Greek skeptic, astronomer, and Democritean atomic theorist (see: Greek philosophy), noted for []

Vacuum
See main: Nature abhors a vacuum
In c.150AD, pseudo-Plutarch (Ѻ), in his The Opinions of the Philosophers, book 1, chapter 18 “Of a Vacuum”, stated the following: [1]

“All the natural philosophers form Thales to Plato rejected a vacuum. Empedocles says that there is nothing of a vacuity in nature, nor anything superabundant. Leucippus, Democritus, Demetrius, Metrodorus, and Epicurus as say that the atoms are in number infinite; and that a vacuum is infinite in magnitude. The stoics say that within the compass of the world there is no vacuum, but beyond it the vacuum is infinite. Aristotle says that the vacuum beyond the world is so great that the heaven has liberty to breath into it, for the heaven is fiery.”

In 1672, Otto Guericke, in his chapter on “Empty Space” cites some of this passage, e.g. mentioning Metrodorus. [2]

Education
Metrodorus was a pupil of Democritus or of Nessus of Chios. [3]
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Students
The pupils of Metrodorus were Anaxarchus and, supposedly, Hippocrates. [4]

Quotes | On
The following are quotes on Metrodorus:

Metrodorus of Chios, and astronomer, contended that the world has always been in existence.”
Otto Guericke (1672), New Magdeburg Experiments on the Vacuum of Space (pgs. 2-3)

Quotes | By
The following are noted quotes:

“To consider that the earth is the only populated world in infinite space is as absurd as to believe that in an entire field of millet only one grain will grow.”
— Metrodorus (c.380BC) [1]

References
1. Conlon, Thomas. (2011). Thinking About Nothing: Otto von Guericke and the Magdeburg Experiments on the Vacuum (pg. 127). Saint Austin Press/LuLu.
2. Guericke, Otto. (1663). The New (So-Called) Magdeburg Experiments of Otto von Guericke (Experimenta Nova (Ut Vocantur) Magdeburgica de Vacuo Spatio). Amsterdam, Netherlands: Johann Jansson, 1672 (Latin); English translation by Margaret Ames (GB) (Amz) (pg. 87). Springer, 1993.
3. Curnow, Trevor. (2006). The Philosophers of the Ancient World: an A-Z Guide (pg. 187). Bloomsbury.
4. Taylor, C.C.W. (1999). The Atomists: Leucippus and Democritus: Fragments: a Text and Translation with a Commentary by C.C.W. Taylor (pg. 59). University of Toronto Press.

External links
Metrodorus of Chios – Wikipedia.

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