Archimedes of Syracuse (Greek: Ἀρχιμήδης; c. 287 BC – c. 212 BC) was a Greek mathematician, physicist, engineer, inventor, and astronomer. He is generally considered to be the greatest mathematician of antiquity and one of the greatest of all time.
The water clock was invented in Ancient Egypt. It was used to tell time and to measure speeches in the courtroom. The inventor of the water clock was Ctesibius. He was a Greek inventor that lived in Alexandria, Egypt. Ctesibius just did not invent, it he also improved it by adding a float with a rack that turned a toothed wheel. He made the water clock make sounds like a whistling bird, bells, puppets, and other gadgets. Ctesibius lived and invented the water clock in the third century.
Hypatia (ca. AD 350–370–March 415) Greek Neoplatonist philosopher in Roman Egypt and the first notable woman in mathematics. As head of the Platonist school at Alexandria, she also taught philosophy and astronomy. She was eventually murdered by a Christian mob which accused her of causing religious turmoil.
Dr. Charles Richard Drew was born on June 3, 1904, in Washington, D.C. He was an African-American physician who developed ways to process and store blood plasma in "blood banks." He directed the blood plasma programs of the United States and Great Britain in World War II, but resigned after a ruling that the blood of African-Americans would be segregated.
Ancient Greece - Archaic Period During the Archaic Period, Greek art was influenced by art from other areas of the world. This is because the Greeks were trading goods with neighboring areas. They were also setting up colonies to their east and west.
ARCHIMEDES OF SYRACUSE (287-212 BC) - a Greek mathematician, physicist, engineer, inventor, and astronomer. Archimedes is generally considered to be the greatest mathematician of antiquity and one of the greatest of all time. Stomachion dissection puzzle - one of the oldest puzzles - described in the Archimedes Palimpsest.