Carl Heinrich Zimmermann (* September 7, 1864 in Louisendorf (Frankenau); † January 13, 1949 in Hanau) was a Prussian officer, member of the Cameroon Schutztruppe and from 1914 to 1919 its commander. In this role he directed the combat operations of the Schutztruppe during World War I against the British, French and Belgian troops that had invaded Cameroon and, in February 1916, after the military situation in the colony had become untenable, he became neutral with her troops and entered the Spanish colony of Río Muni, where she was interned. Zimmermann retired from the Provisional Reichswehr in 1920 as Major General and was retired, not called up for service during WWII. On August 18, 1895, Zimmermann was granted a license to join the Chilean service. From 1895 to 1897 he served in the Chilean Army as a training officer. He belonged to the group of German military advisers around Emil Körner, who was also sent to Chile in 1885, who promoted the modernization of the Armed Forces in Chile based on the Prussian-German model, the first stage is called “Prussianization”, later implantation of the German military doctrine. He was so distinguished and decorated that his medals and decorations barely fit on his chest, the instructor’s medal in Chile, fits on his uniform at shoulder height. the photo dates from years after his retirement, as a general of the Army (Heer Reichwerh).