Example image of eyePlorer eyePlorer map for 'Jean-Victor Poncelet': 1788 1867 December 22 Engineer French people July 1 Mathematician École Polytechnique Gérard Desargues Projective geometry Nine-point circle Conic section Projective harmonic conjugates Complex number Duality (projective geometry) Napoleon I of France Russian Empire Mechanics Metz Professor Turbine Water wheel University of Paris France Lawyer Legitimacy (law) Saint-Avold Paris Military French Army Lieutenant French invasion of Russia Battle of Krasnoi Michel Ney General officer Mikhail Andreyevich Miloradovich Prisoner of war Saratov Gaspard Monge Joseph Diaz Gergonne Journal Provence Circle Compass and straightedge constructions Euclid Straightedge Jakob Steiner Poncelet Poncelet Prize Poncelet's porism