Analysis of information sources in references of the Wikipedia article "Bill Verplank" in English language version.
In the mid-1980s, human-computer interaction pioneers Bill Moggridge and Bill Verplank coined the term interaction design.
History check: Material Design is essentially a facet of interaction design, a specialization concerned with the user's behavior and well established since the 1980s by pioneers like Bill Moggridge and Bill Verplank.
