[1] For the opening of the new Leipzig Opera, he created the décor for Die Meistersinger von Nürnberg in 1960.
In the same year, he worked with Walter Felsenstein at the Komische Oper Berlin, where he set Verdi's opera Otello, and was awarded the National Prize of the GDR.
From 1962, he worked in Munich with Fritz Kortner, Günther Rennert, Joachim Herz, Otto Schenk among others.
Heinrich became head of the stage design class at the Academy of Fine Arts Munich in 1964.
He worked mainly for the opera houses in Munich, Hamburg, Schwetzingen, Mannheim, Zurich, Vienna, Frankfurt, Santa Fee, Paris, Moscow, Leipzig, Berlin, the Salzburg Festival, the Metropolitan Opera, La Scala, Zurich and London, as well as the Austrian Theatre Museum in (Vienna).