author
A historical publishing office rather than a single writer, this Prussian General Staff department produced detailed official studies of major European wars. Its books read like the research arm of an army at work, turning campaigns into careful military history.

by Prussia (Germany). Armee. Grosser Generalstab. Kriegsgeschichtliche Abteilung II
This name refers to the Kriegsgeschichtliche Abteilung II of the Großer Generalstab, the Great General Staff of the Prussian Army, not to an individual author. The Great General Staff was the long-running central planning and study body of the Prussian, and later German, army, responsible for analyzing warfare and preparing official military studies.
Catalog records and library listings connect this department with a wide range of war histories and campaign studies, including works on the wars of 1864, 1866, 1870–71, and the Silesian wars. In many cases, these books were presented as official compilations based on military records rather than personal narratives, which gives them a distinctive documentary tone.
Because this is a corporate or institutional author, there is no single personal life story to tell and no verified individual portrait to use. What makes the name notable is the scale of its output: it represents one of the best-known military-history publishing programs associated with the Prussian General Staff.