“Tenet” – a film now in the public eye, directed by Christopher Nolan, with Robert Pattinson and John David Washington. The most waited-for release of the post quarantine phase; and, of course,widely admired for its cinematography. Everyone is again reminded of Mr. Nolan. But who had ever forgotten him? As he had made other movies that are still popular. So, we look back at “Dunkirk”, “The Prestige” and “Inception” to see the conflicts that Christopher Nolan has exposed.