Who was Aristotle? – Greek philosophy – Ancient Greece

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An ancient Egyptian papyrus with a scrap of Aristotle's "Politics" - Aristotle philosopher

Who was Aristotle? An ancient Egyptian papyrus with a scrap of Aristotle’s “Politics”

Aristotle’s family

Aristotle’s father was Nicomachus, a doctor who lived near Macedon, in the north of Greece.

(More about ancient Greek doctors)

His mother Phaestis was from Euboea. She probably worked from home. So, unlike Socrates and Plato, Aristotle was not originally from Athens. He was not from a rich family like Plato, though his family was not poor either.

Aristotle at Plato’s Academy

Aristotle’s father died when he was ten, and his mother probably soon afterwards. When Aristotle was seventeen, about 367 BC, he went to study at Plato’s Academy.

(More about Plato)

Alexander the Great stone bust of white man with long curly hair

Who was Aristotle? Alexander the Great’s teacher.

Plato was already pretty old then. Aristotle did very well at the Academy. But he never got to be among its leaders. When Plato died, Aristotle was almost forty, but Plato chose his own nephew Speusippus instead of Aristotle to lead the Academy. Probably Aristotle was pretty upset about being left out.

Aristotle and Alexander the Great

Soon afterwards, Aristotle left Athens and went to Macedon. In Macedon, he may have been the tutor of the young prince Alexander, who grew up to be Alexander the Great.

(More about Alexander the Great)

When Alexander grew up and became king, Aristotle went back to Athens and opened his own school there, the Lyceum (lie-SAY-um), in competition with Plato’s Academy. Both schools were successful for hundreds of years.

Aristotle and scientific method

Aristotle was more interested in science than Socrates or Plato, maybe because his father was a doctor. He wanted to use Socrates’ logical methods to figure out how the real world worked; therefore Aristotle is really the father of today’s scientific method.

Aristotle may have been the first person to suggest (correctly) that the way your eyes worked was that light bounced off objects into your eyes. He figured this out by using a camera obscura – an early kind of camera invented in China, about fifty years before Aristotle used it.

(More about the camera obscura)

As Aristotle noticed, the bigger the box, the bigger the image will be. Experiments with the camera obscura convinced Aristotle that your eyes worked like the camera obscura – as indeed they do – and therefore that light entered your eyes to make the image, rather than rays coming out of your eyes to find objects (like bats using sonar) as many scientists thought.

Aristotle and classification systems

Aristotle was especially interested in biology, in classifying plants and animals in a way that would make sense. This is part of the Greek impulse to make order out of chaos: to take the chaotic natural world and impose a man-made order on it.

When Alexander was traveling all over West Asia, he sent messengers to bring strange plants back to Aristotle for his studies (perhaps in some ways imitating the gardens of the Assyrian kings). Aristotle also tried to create order in peoples’ governments. He created a classification system of monarchies, oligarchies, tyrannies, democracies and republics that we still use today.

(More about types of government)

Aristotle leaves Athens

When Alexander died in 323 BC, though, Demosthenes and other men led revolts against Macedonian rule in Athens. People accused Aristotle of being secretly on the side of the Macedonians (and maybe he was; he was certainly, like Plato, no democrat).

(More about Hellenistic Athens)

Aristotle left town quickly before he could be arrested. (Theophrastus took over the Lyceum). He spent the last years of his life in Euboea, among his mother’s family. Aristotle died of some sort of stomach problem when he was 62.

So who was Aristotle? Did this article answer your questions? Let us know in the comments!

Learn by doing: find ten different kinds of plants outside and draw them
More about Greek philosophy

Bibliography and further reading about Aristotle:

Aristotle: Philosopher and Scientist, by Margaret Anderson and Karen Stephenson (2004). For teens. Includes some suggested activities to help you understand the science.

Philosophy and Science in Ancient Greece: The Pursuit of Knowledge, by Don Nardo (2004). For teenagers. Don Nardo has written many books for young people about the ancient Greeks.

The Cambridge Companion to Greek and Roman Philosophy, edited by David Sedley (1997).

More about Greek philosophy
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By |2018-05-11T14:11:12+00:00July 12th, 2017|Greeks, Philosophy|4 Comments
Cite this page: Carr, K.E. Who was Aristotle? – Greek philosophy – Ancient Greece. Quatr.us Study Guides, July 12, 2017. Web. December 11, 2018.

About the Author:

Dr. Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Facebook, or buy her book, Vandals to Visigoths.


  1. Greg January 5, 2018 at 4:55 pm - Reply

    What is your source for the information about the camera obscura being invented in China? I’ve read Mo Zi’s writings and there is nothing in there about a camera obscura. Moreover, its been proven by several Chinese and American historians that Mo Zi didn’t write most of “his” writings. His writing span almost 600 years. Please tell me your references for your findings I really wood like to know.

  2. Mia November 30, 2017 at 4:39 pm - Reply

    Thank You for the awesome article! It really helped me study for my test! I got an A+

    • Karen Carr November 30, 2017 at 4:45 pm

      Wow, that’s great! I’m sure it was mostly your own hard work though! Congratulations!

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