Generals Paul Von Hindenburg and Eric Ludendorff. They were virtually running the entire German war effort between them by 1918. For such a bellicose guy pre-war, the Kaiser rapidly lost enthusiasm for the great war he had so large a hand in starting. By 1918 he was isolated and had withdrawn from making grand strategic decisions, and abdicated in November of that year. I have not read his memoirs, if they exist, but I would love to read what his assessment of the Great War was in hindsight.