Archimedes

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Across
  1. 1. He was killed by this type of soldier
  2. 4. He is commonly expressed as the ______ of mathematics.
  3. 6. A person he studied with
  4. 7. The name of his known parent
Down
  1. 2. Principle Theory of Buoyancy
  2. 3. His birthplace
  3. 5. A place he studied at
  4. 7. He made this numerical discovery.