Author photo. Bruce Steadman, Marian Calabro, and Dennis Doyle at the PARC book launch By Marian Calabro - Marian Calabro, GFDL, <a href=&quot;https://commons.wikimedia.org/w/index.php?curid=11111533&quot; rel=&quot;nofollow&quot; target=&quot;_top&quot;>https://commons.wikimedia.org/w/index.php?curid=11111533</a>
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