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 |
The problem remained unresolved for nearly a half-century, until it was jointly solved in 2001 by Pascal Auscher, Steve Hofmann, Michael Lacey, Alan McIntosh, and Philippe Tchamitchian.
Specializing in harmonic analysis and operator theory, he is mostly known for, together with Steve Hofmann, Michael Lacey, Alan McIntosh and Philippe Tchamitchian, solving the famous Kato's conjecture.