Hans von Seeckt
The biggest influence on the development of the was Hans von Seeckt (1866–1936), who served from 1920 to 1926 as () – succeeding Walther Reinhardt. After the Kapp Putsch, Hans von Seeckt took over this post. After Seeckt was forced to resign in 1926, Wilhelm Heye took the post. Heye was in 1930 succeeded by Kurt Freiherr von Hammerstein-Equord, who submitted his resignation on 27 December 1933.