He was trained as an engineer at the École Polytechnique (entering class of 1910), served in the French Signal Corps during World War I, worked on telegraph and radio systems, and in 1926 received a doctorate in mathematics from the Sorbonne, having written a thesis on indefinite quadratic forms under the supervision of Charles Émile Picard.
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He was a close friend of Dutch physicist Balthasar van der Pol, whose work on nonlinear self-oscillating dynamical systems (see van der Pol oscillator) he extended and popularized among electrical engineers, mathematicians, and economists.
Philippe Starck | Louis Philippe II, Duke of Orléans | Philippe II, Duke of Orléans | Philippe Parreno | Philippe Pétain | Philippe Herreweghe | Louis Philippe I | Philippe Pinel | Jean-Philippe Rameau | Philippe Leclerc de Hauteclocque | Philippe I, Duke of Orléans | Philippe Quinault | Philippe Gilbert | Philippe Entremont | Philippe Beaussant | Philippe Léotard | Philippe Jaroussky | Philippe Douste-Blazy | Philippe d'Orléans | Philippe de Rigaud Vaudreuil | Philippe C. Schmitter | Philippe Boesmans | Philippe Bercovici | Jean-Philippe Collard | Prince Ferdinand Philippe, Duke of Orléans | Prince Ferdinand Philippe | Prince Charles Philippe, Duke of Anjou | Philippe Troussier | Philippe Saisse | Philippe Quint |