Paul DiLascia
In the 1980s he worked for Infocom as a programmer , first on a Zork interpreter for the Commodore 64 , and later on the ill-fated Cornerstone database product . 
<triplet> Infocom <subj> Zork <obj> product or material produced <triplet> Zork <subj> Infocom <obj> publisher <triplet> Cornerstone <subj> Infocom <obj> developer