General Sir William Thwaites, KCB, KCMG
Thwaites was commissioned into the Royal Artillery in 1887. He served in the Second Boer War as an Adjutant in 33rd Brigade Royal Field Artillery. He served in the First World War on the Western Front in France and Belgium, becoming commander of the 141st (5th London) Brigade in 1915. He was then made General Officer Commanding 46th (North Midland) Division in 1916.
After the war Thwaites became Director of Military Intelligence at the War Office from 1918, and then Director of Military Operations and Intelligence from 1922. In 1923 he became General Officer Commanding 47th (2 London) Division and in 1927 he was appointed General Officer Commanding-in-Chief British Army of the Rhine: he was the last person to hold this post until after the Second World War. He was Director General of the Territorial Army from 1931 to 1933 when he retired.