In October 1988, a 10-day stay in Irak.
Silver Medal in celebration of the 2. International Biennial in Bagdad, Irak.
Design and creation of a 20 m long ceramic wall in the new building of the Landtag of North-Rhine Westphalia.
Honorary citizenship of the city of Hagen.
The studio, 1997
Herbert-Boeckl-Award for Modern European Painting.
First Prize of the 1. Biennale Européenne de l’estampe contemporaine Diekirch, Luxembourg.
Grand prix d’honneur, Gold medal in celebration of the XIX. Biennale Internationale de Gravure, Ljubljana
Harry-Graf-Keßler Award from the Association of German Artists.
Guest professorship at the Concorso Superiore Internazionale del Disegno of the Fondazione Antonio Ratti, Como, Italy.
Schumacher is awarded an honorary doctorate by the University of Dortmund, Germany.