Between 1972 and 1976, Edelmann taught industrial graphic design at Fachhochschule Düsseldorf (Düsseldorf University of Applied Sciences). He was subsequently Lecturer of Art and Design at Fachhochschule Köln (Cologne University of Applied Sciences) and in 1989 became Professor of Illustration at the State Academy of Fine Arts Stuttgart. He designed the 1992 Seville World's Fair mascot, Curro.