Reichsminister
Reichsministers were some of the members of the German parliament, the Reichstag, between 1919 and 1945. They were leaders of government ministries.
During the German Empire, there were no Reichsministers.
Reichsminister Media
Anton von Schmerling from Austria: on July 15th, 1848 he belonged to the first three men that the Reichsverweser installed as German Reichsminister.
The first German cabinet after the revolution, February 1919, with Reichsministerpräsident Philipp Scheidemann