 He was honorary professor for chemical processing at the Ludwig-Maximilians-University in Munich since 1956.After his resignation as Minister for Nuclear Energy, he was president of the Confederation of German Employers' Associations (BDA) from 1964 to 1969 and chairman of the Technical Monitoring Association (TÜV).Balke was co-publisher of "Ullmann's Encyclopedia of Technical Chemistry" as well as the periodicals "Chemical Industry" and "Nuclear Economy" (all in German).