These are four memos from different time periods, all on the subject of facilitation. In the first two memos, dated 1983 and 1985, Warfield instructs Christakis on some aspects of facilitation work which needed improvement. I know that Warfield's handwritten pages were written during the time they were at University of Virginia, in 1983. I can tell this because of Warfield's allusion to the NCGA (National Computer Graphics Assn) which was a client to the Center for Interactive Management at University of Virginia. The second memo, a single typed page, was written two years later, in 1985 after they had moved to George Mason University. It is dated and signed with Warfield's initials. The third memo written by Christakis, shows his activity in 1987-1988 as supervisor of other trainees. A fourth memo, titled "IM Facilitator" handwritten by Warfield, is one page of notes which categorize before, during and after IM session tasks, in sketchy outline. It has no date. Warfield has written very little regarding facilitator work, leaving the facilitation arena to others as much as possible. Warfield trained Christakis, and later Christakis was put in charge of training others. In Christakis he had found an extremely gifted facilitator with great charm and charisma, who was a very valuable staff member for that reason. However, since Christakis and Warfield worked together for about six years, had adjoining offices, usually ate lunch together, and visited in each other's homes, Warfield did take many opportunities to supply Christakis with insights and background skills which Christakis adapted into effective facilitation at workshop sessions - with Warfield in the background while Christakis took the stage, a system which Warfield preferred.