Heinrich Grunow (Grunov) was born Friedrich Beer on August 15, 1900, in Schweinfurt, Germany, and died on March 27, 1945, in Sachsenhausen Concertataion Camp. Grunow was a German editior and political member of the Schwarze Front. He initally worked as a commercial clerk in Munich. In Februrary 1931 he joined the NSDAP. After coming into contact with Otto Strasser, he left the NSDAP to join the Schwarze Front. By October 1931, he was labeled as an enemy of the NSDAP. In November 1931, Beer became the head of the Munich Combat Group of the Revolutionary National Socialists' Combat Group and editor of the magazine Der deutsche Brille. In 1936 an SS agent attempted to kidnap Grunow into Reich territory at a meeting in the Zinnwald near the German border. Grunow was knocked unconscious, but the kidnapping attempt failed due to the presence of passers-by. In 1937 Grunow became chairman of the refugee committee of the German Front against the Hitler regime. In the same year, Strasser separated from Grunow, allegedly because of his contacts with the Czech intelligence service: instead, he moved to Paris with the task of operating the shortwave transmitter in France that was left to the Black Front by the People's Socialist Movement. In regard to the Helmut Hirsch affair, there were speculations around Grunow's involvement and possible betrayl of Hirsch. From autumn 1939 Grunow was in contact with the French intelligence service , with whom he discussed plans to assassinate Adolf Hitler , among other things . In January 1940 he was arrested by the French police at the instigation of the Deuxiéme Bureau. After the German occupation of France in the summer of 1940, Grunow fell into the hands of the Secret State Police.
He died in March 1945 as a prisoner in Sachsenhausen concentration camp.