>There are not many references in Ed's book. Over a period of years here
>in the "pre-cog sci" days when the Center For Human Information Processing
>was the leading venue for such discussions, the CHIP folks beat heavily
>on Gibsonian ideas. But over time, in part because of the influence of
>Ed and perhaps of me, Don Norman started to take a more congenial view
>toward artifact mediation. Gerry Balzano, who has worked on event perception,
>was also a participant in these discussions.
>
>A little later, Ed bumped into the functional systems ideas in conjunction
>with AR Luria's writings, and perhaps Anokhin/Leontiev, perhaps in
>discussions with Yrjo Engestrom.
Paul Prior
p-prior who-is-at uiuc.edu
University of Illinois at Urbana-Champaign