Rene Descartes

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Across
  1. 3. The branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
  2. 4. Someone that calculates problems?
  3. 6. A person engaged or learned in philosophy, especially as an academic discipline
Down
  1. 1. A person who is studying or has expert knowledge of one or more of the natural or physical sciences
  2. 2. Where was Descartes born
  3. 5. The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.