Chairmen of the Management Board

Prof. Dr. Karl-Ernst Quentin

Prof. Dr. Wilhelm Husmann

Re-founding of the expert group at the
Technische Hochschule Hannover and election of
Prof. Dr. Husmann as a temporary chairman

Preparations for the re-founding of the
expert group after World War II

Dr. W. Olszweski

Prof. Dr. Josef Tillmans

Prof. Dr. Hugo Haupt

Founding of the expert group in the
Botanical Institute of the university of Kiel