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In which place was Octave Callandreau born: Rittenhousetown, Germantown, Pennsylvania, Lower Lodge Farm, Toxteth Park, Lancashire, Bangalore, British India or Angoulême, France?

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Pierre Jean Octave Callandreau, a French astronomer born on 18 September 1852 in Angoulême, France, made his mark in celestial mechanics by calculating orbits and applying perturbation theory.

Learn more on Codexery: Octave Callandreau in Transit Of Venus