Augusto Hamann Rademaker Grünewald

Augusto Hamann Rademaker Grünewald (May 11, 1905 – September 13, 1985) was an admiral in the Brazilian navy. Rademaker was one of the military in the Military Junta (August 30, 1969 - October 30, 1969) that ruled Brazil between the illness of Artur da Costa e Silva in August 1969 and the investiture ceremony of Emílio Garrastazú Médici in October of that same year, elected by fellow officer generals and confirmed by the Congress. In the same occasions Rademaker was picked and "elected" as vice-president for the same term as Medici's (1969–1974). He was of German and Danish descent.