At the same time, Iden met the director of the theater Erwin Piscator in Frankfurt, became his assistant and traveled with him for two years through Germany.
[2] From 1988, Jean-Christophe Ammann[3] takes over the management of the museum and opens the new building of the Viennese architect Hans Hollein[4] in June 1991.
He became known as a cultural journalist as an art and theater critic for the Frankfurter Rundschau, for which he has written over 3000 contributions over the years.
In June 2004, Peter Iden conducted an interview with Jutta Lampe Sharing the event of the metamorphosis for the review of the Strasbourg National Theater L'Outrescène.
[5] In 1995 he received the Goethe-Plakette des Landes Hessen[6] and in 2006 the Goetheplakette der Stadt Frankfurt am Main.