 However, von Manteuffel refused Keitel's request that he take over, and although ordered to report to OKW headquarters, Heinrici dallied and never arrived.Keitel later recalled the incident in his memoirs and said that command passed to the senior army commander of the XXI Army, General Kurt von Tippelskirch.Other sources claim that von Tippelskirch's appointment was temporary and only until the arrival of General Kurt Student,.