When Schlieffen retired in 1906, Wilhelm replaced him with Moltke, the emperor's former adjutant. The plan was reviewed by Erich Ludendorff, who was promoted to a senior position in the General Staff in 1908. After measures were taken to improve secrecy, Ludendorff began reworking the plan in 1909 with the help of Hermann von Stein and Gerhard Tappen.<ref>Mombauer, p. 90.</ref> In 1912, von Stein left the General Staff and Ludendorff replaced him in the No. 2 spot. | When Schlieffen retired in 1906, Wilhelm replaced him with Moltke, the emperor's former adjutant. The plan was reviewed by Erich Ludendorff, who was promoted to a senior position in the General Staff in 1908. After measures were taken to improve secrecy, Ludendorff began reworking the plan in 1909 with the help of Hermann von Stein and Gerhard Tappen.<ref>Mombauer, p. 90.</ref> In 1912, von Stein left the General Staff and Ludendorff replaced him in the No. 2 spot. |