On User Interface Design, Part II
http://webcast.berkeley.edu/media/common/media/65ba1394-0fc2-4335-83b0-5829ec29849d_opencast_video_itunes-wcb.mp4

Kay, Alan
University of California Berkeley
1983

Abstract:

The second of a pair of presentations by Alan Kay (of Smalltalk fame). The presentation is from 1983 and discusses the development of user interface design from the 1960s onward.