Aristotle (Aristoteles) was a Greek scientist and philosopher. Along with Plato, he is often considered to be one of the two most influential philosophers in Western thought.

Aristotle was born at Stagira, a Greek colony on the Macedonian peninsula Chalcidice in 384 BCE. His father, Nicomachus, was court physician to King Amyntas of Macedonia. It is believed that Aristotle's ancestors held this position under various kings of Macedonia. Aristotle was probably influenced by his father's medical knowledge; when he went to Athens at the age of 18, he was likely already trained in the investigation of natural phenomena.
From the ages of 18 to 37 Aristotle remained in Athens as a pupil of Plato and distinguished himself at the Academe. The …ver más…

These writings show to what good use he put the resources Alexander had provided for him. They show particularly how he succeeded in bringing together the works of his predecessors in Greek philosophy, and how he pursued, either personally or through others, his investigations in the realm of natural phenomena. Pliny claimed that Alexander placed under Aristotle's orders all the hunters, fishermen, and fowlers of the royal kingdom and all the overseers of the royal forests, lakes, ponds and cattle-ranges, and Aristotle's works on zoology make this statement more believeable. Aristotle was fully informed about the doctrines of his predecessors, and Strabo asserted that he was the first to accumulate a great library.
During the last years of Aristotle's life the relations between him and Alexander the Great became very strained, owing to the disgrace and punishment of Callisthenes whom Aristotle had recommended to Alexander. Nevertheless, Aristotle continued to be regarded at Athens as a friend of Alexander and a representative of Macedonia. Consequently, when Alexander's death became known in Athens, and the outbreak occurred which led to the Lamian war, Aristotle shared in the general unpopularity of the Macedonians. The charge of impiety, which had been brought against Anaxagoras and Socrates, was now, with even less reason, brought against Aristotle. He left the city, saying