Ancient Greek Inventions and Discoveries By Ty & Kayhan

Archimedes 287-212 B.C He came up with an explanation of the principle of the lever. He deduced that an object displaces its own volume of water when his tub overflowed.

Aristarchus 310-230 B.C. He reckoned that the earth revolved around its axis and moved around the sun, but his ideas were rejected because there was no proof.

Anaximander 610-546 B.C. He was a student of Thales. He was the first philosopher to write down his studies. He claimed that nature is ruled by laws like human societies and anything that disturbs the balance will not last. Tried to describe other planets in relation to the earth. Concluded that at one point the earth was filled with water and humans came from animals, mainly fish.

Eratosthenes 276-194 B.C. He was the first person to use the word “geography.” He also came up with the word “longitude” and “latitude.” He was the first person to accurately measure the circumference of the Earth using stadiums. He also calculated the distance the Earth is from the Sun and to measure the Earth’s tilt on its axis. He also came up with leap day. He created the first world map that incorporated latitude and longitude lines. He killed himself because he became blind

Euclid Date of Birth Unknown He wrote the book Elements which summed up the works of previous works mathematicians. He founded a school over 2,000 years ago in Alexandria, Egypt.

Hipparchus 190-120 B.C. He is considered the founder of trigonometry, which is the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles. He made the first accurate model of the Sun and Moon’s movement.

Hippocrates 460- 375 B.C He is considered the “The Father of Medicine.” He created the Hippocratic Oath. He believed that disease came naturally and not from superstitions and gods.

I swear by Apollo, the healer, Asclepius, Hygieia, and Panacea, and I take to witness all the gods, all the goddesses, to keep according to my ability and my judgment, the following Oath and agreement: To consider dear to me, as my parents, him who taught me this art; to live in common with him and, if necessary, to share my goods with him; To look upon his children as my own brothers, to teach them this art; and that by my teaching, I will impart a knowledge of this art to my own sons, and to my teacher's sons, and to disciples bound by an indenture and oath according to the medical laws, and no others. I will prescribe regimens for the good of my patients according to my ability and my judgment and never do harm to anyone. I will give no deadly medicine to any one if asked, nor suggest any such counsel; t But I will preserve the purity of my life and my arts. I will not cut for stone, even for patients in whom the disease is manifest; I will leave this operation to be performed by practitioners, specialists in this art. In every house where I come I will enter only for the good of my patients, keeping myself far from all intentional ill-doing All that may come to my knowledge in the exercise of my profession or in daily commerce with men, which ought not to be spread abroad, I will keep secret and will never reveal. If I keep this oath faithfully, may I enjoy my life and practice my art, respected by all humanity and in all times; but if I swerve from it or violate it, may the reverse be my life

Ptolemy His main work was geography. 90-168 A.D. His main work was geography. He made a map showing the earth was round.

Pythagoras 570- 495 B.C. He came up with the theory of how to calculate angles in triangles. He also introduced the symbol pi. (3.14159265)

Thales of Miletus 620-625 to 547-546 B.C. He was one of the Seven Sages of Greece, who were people who were regarded for their wisdom. Many regard him as the first philosopher of Greece. He used geometry to solve math problems.

Urls Used Infomation URLS http://en.wikipedia.org/wiki/Archimedes http://en.wikipedia.org/wiki/Pythagoras http://en.wikipedia.org/wiki/Aristarchus_of_Samos http://en.wikipedia.org/wiki/Anaximander http://en.wikipedia.org/wiki/Euclid http://wiki.answers.com/Q/What_did_euclid_do http://en.wikipedia.org/wiki/Eratosthenes http://en.wikipedia.org/wiki/Hipparchus http://en.wikipedia.org/wiki/Thales http://en.wikipedia.org/wiki/Hippocratic_Oath

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