He took writing seminars from his thesis director Roland Barthes, Michel Foucault, Jacques Rancière and André Chastel and received a PhD from the University of Paris.
Cachin studied art history under André Chastel at the Institut d'Art et d'Archéologie of the University of Paris.
In 1977 Knecht formed a close association with a group of French art historians led by André Chastel and Jean Guillaume, taking part in several of their summer schools.
André Previn | André Breton | Andre Agassi | André Malraux | André Derain | Victor André Cornil | Carl Andre | Andre Ward | Fabrizio De André | André the Giant | André Heller | André Gide | André-Gaston Prételat | André | Andre Norton | André Masséna | André Guignard | André Franquin | Andre Begemann | Peter Andre | Andre Williams | Andre Ware | André Leon Talley | André Le Nôtre | André Glucksmann | André Charlot | André Sogliuzzo | André Marie Constant Duméril | André-Jacques Garnerin | André Bauer |